 
                                            
                Balancing Right Triangles, 2022
                        2022, Stainless steel, sanded finish, 39 x 11 x 16 inches.
                 
                                            
                The Couple, 2022
                        2022. Sanded bronze, 42 x 22 x 19 inches.
                 
                                            
                2021-1, 2021
                        2021, Stainless steel, copper, bronze, 43 x 12 x 24 1/4 inches
                 
                                            
                Mathematika V
                        2020, Painted aluminum, 96 x 108 x 24 inches.
                 
                                            
                Double Helix
                        2019, Sanded stainless steel, 46 x 12 x 12 inches.
                 
                                            
                Three Triangles with an Arc and Two Chords II
                        2019, Bronze with red and blue patina, 43 x 24 x 14 inches.
                 
                                            
                Three Triangles with an Arc and Two Chords I
                        2019, Bronze with blue patina, 38 x 21 x 12 inches.
                 
                                            
                Psyche IV
                        2018, Sanded Bronze, 132 x 24 x 32 inches.
                 
                                            
                Inverted Arcs at 90 Degrees with Parallel Chords
                        2017.  Sanded copper, 46 x 14 x 16 inches.
                 
                                            
                Helix with Parallel Chords
                        2017.  Polished bronze, 52 x 12 x 12 inches.
                 
                                            
                An Arc Connected by Two Acute Angles
                        2016. Sanded Bronze, 68 x 24 x 14 inches.
                 
                                            
                An Arc Connected by Two Parallel Perpendiculars
                        2016. Sanded Bronze, 64 x 19 x 38 inches.
                 
                                            
                An Ellipse Intersected By Two Arcs and a Chord
                        2016. Sanded Bronze, 53 x 40 x 16 inches.
                 
                                            
                Overlapping Arcs at 90 Degrees
                        2016. Sanded Bronze, 61 x 12 16 inches.
                 
                                            
                Parallel Ellipses Intersected by Acute Angles
                        2016. Bronze with blue patina, 58 x 24 x 32 inches.
                 
                                            
                Untitled 2016
                        2016. Sanded Bronze, 68 x 28 x 35 inches.
                 
                                            
                Untitled No. 1,
                        2013. Bronze, 36 x 24 x 14½ inches.
                 
                                            
                Untitled No. 2
                        2013. Polished Bronze, 51½ x 13½ x 17½ inches.
                 
                                            
                Untitled No. 3,
                        2013. Bronze, 46 x 16 x 13 inches.
                 
                                            
                Untitled No. 4
                        2013. Polished Bronze, 38½ x 14 x 15½ inches.
                 
                                            
                An Arc Connected by Two Acute Angles,
                        2008. Stainless steel, 72 x 25 x 15 inches.
                 
                                            
                Untitled,
                        2008. Sanded stainless steel, 21 x 13 x 5 inches.
                 
                                            
                Untitled,
                        2008. Sanded stainless steel, 21 x 13 x 5 inches.
                 
                                            
                Untitled,
                        2008. Stainless steel, 36 x 34 x 24 inches.
                 
                                            
                Untitled,
                        2008. Sanded stainless steel, 21 x 13 x 14 inches.
                 
                                            
                Untitled,
                        2008.  Sanded stainless steel, 21 x 13 x 12½ inches.
                 
                                            
                Continuous Elliptical Loops,
                        2007. Darkened bronze, 49 x 39½ x 28½ inches.
                 
                                            
                Continuous Elliptical Loops,
                        2007. Bronze, 40 x 36 x 24 inches.
                 
                                            
                Untitled,
                        2007. Polished bronze, 22½ x 11 x 8 inches.
                 
                                            
                Continuous Elliptical Loops,
                        2005. Sanded stainless steel, 42½ x 37 x 26 inches.
                 
                                            
                Elliptical Loops,
                        2005. Bronze with green patina, 38 x 37 x 22 inches.
                 
                                            
                Elliptical Loops,
                        2005. Bronze with blue patina, 38 x 37 x 22 inches.
                 
                                            
                Elliptical Loops,
                        2005. Sanded stainless steel, 38 x 38 x 23 inches.
                 
                                            
                Intersecting Ellipses,
                        2005.  Bronze with blue patina, 52 x 52 x 52 inches.
                 
                                            
                Inverted Arcs at 90 Degrees with Parallel Chords,
                        2005. Darkened bronze, 40 x 12½ x 10 inches.
                 
                                            
                Inverted Arcs at 180 Degrees with Parallel Chords,
                        2005.  Bronze with blue patina, 40 x 12½ x 3 inches.
                 
                                            
                Untitled,
                        2005. Bronze with blue patina, 14½ x 16½ x 16½ inches.
                 
                                            
                Untitled,
                        2005. Bronze painted blue, 41 x 9 x 8 inches.
                 
                                            
                Three Elements at 90 Degrees,
                        2004. Bronze with blue patina, 14 x 13 x 13 inches.
                 
                                            
                Untitled,
                        2004. Stainless steel, 38 x 21 x 18 inches.
                 
                                            
                Untitled,
                        2004. Stainless steel, 37 x 15 x 18 inches.
                 
                                            
                Untitled,
                        2004. Stainless steel, 37½ x 15 x 18 inches.
                 
                                            
                Untitled,
                        2004. Stainless steel, 34½ x 26 x 18 inches.
                 
                                            
                Untitled,
                        2004.  Stainless steel, 37 x 36 x 16 inches.
                 
                                            
                Untitled,
                        2004. Stainless steel, 40 x 22 x 19 inches.
                 
                                            
                Untitled,
                        2004. Stainless steel, 36 x 22 x 18 inches.
                 
                                            
                Arcs and Chords in Series,
                        2003. Stainless steel, 41 x 16 x 9 inches.
                 
                                            
                Arcs and Chords in Series,
                        2003.  Stainless steel, 39 x 10 x 8 inches.
                 
                                            
                An Arc Connected by Two Acute Angles,
                        2003. Stainless steel, 46½ x 12 x 10 inches.
                 
                                            
                An Arc Connected By Two Parallel Perpendiculars
                        2003. Welded stainless steel. 40¼ x 20 x 15½ inches.
                 
                                            
                A Circle Intersected by Two Concentric Circles,
                        2003. Polished stainless steel, 41 x 40 x 24 inches.
                 
                                            
                Interconnecting Ellipses,
                        2003.  Sanded stainless steel with satin finish, 120 x 88 x 79 inches.
                 
                                            
                Intersecting Ellipses with Parallel Chords,
                        2003. Steel, 13½ x 17 x 17 inches.
                 
                                            
                Intersecting Ellipses with Parallel Chords,
                        2003.  Stainless steel 30 x 33 x 32 inches.
                 
                                            
                Inverted Arcs at 90 Degrees with Parallel Chords,
                        2003. Stainless steel, 42½ x 11½ x 11 inches.
                 
                                            
                Stone Structure,
                        2003. 20 x 228 x 144 inches.
                 
                                            
                Two Parallel Inverted Arcs with Parallel Chords,
                        2003. Stainless steel, 42½ x 11½ x 16 inches.
                 
                                            
                The University,
                        2003. Stainless steel, 88 x 124 x 79 inches.
                 
                                            
                Untitled,
                        2003. Stainless Steel with mahogany base, 30 x 36 x 36 inches.
                 
                                            
                Untitled,
                        2003. Stainless steel, 36 x 34 x 24 inches.
                 
                                            
                Untitled,
                        2003. Stainless steel, 48½ x 30½ x 22 inches.
                 
                                            
                Untitled,
                        2003. Stainless steel, 87 x 128 x 78 inches.
                 
                                            
                Untitled,
                        2003.  Stainless steel, 48 x 30 x 22 inches.
                 
                                            
                Untitled,
                        2003. Stainless steel painted blue, 66 x 55 x 30 inches.
                 
                                            
                Untitled,
                        2003.  Stainless steel, 87 x 128 x 78 inches.
                 
                                            
                Untitled,
                        2003. Stainless steel, 58 x 60 x 32 inches.
                 
                                            
                Untitled,
                        2003.  Stainless steel, 64 x 56 x 36 inches.
                 
                                            
                An Arc and an Extended Chord Intersected by a Right Triangle,
                        2002.  Stainless steel, 42 x 17 x 10 inches.
                 
                                            
                An Arc with Three Chords to the Base,
                        2002.  Stainless steel, 41 x 12 x 8½ inches.
                 
                                            
                An Arc Connected by Two Acute Angles,
                        2002.  Stainless steel, 42 x 12 x 10 inches.
                 
                                            
                An Arc Connected by Two Acute Angles,
                        2002. Stainless steel, 48 x 16 x 10¼ inches.
                 
                                            
                An Arc Connected by Two Acute Angles,
                        2002. Stainless steel and wood, 46 x 15 x 10 inches.
                 
                                            
                An Arc Connected by Two Acute Angles,
                        2002.  Polished stainless steel, 41 x 16 x 10 inches.
                 
                                            
                A Circle Intersected by Two Arcs and a Chord,
                        2002. Polished stainless steel, 30½ x 54½ x 20 inches.
                 
                                            
                Connecting Irregular Quadrilaterals,
                        2002. Stainless steel, 84 x 44 x 36 inches.
                 
                                            
                Continuous Connecting Ellipses,
                        2002. Stainless steel, 30 x 40 x 25 inches.
                 
                                            
                An Ellipse Intersected by Two Arcs and a Chord,
                        2002. Stainless steel, 31 x 31x18 inches.
                 
                                            
                Ellipse Intersected by Two Concentric Ellipses at 45 degrees,
                        2002. Stainless steel, 47 x 31 x 22 inches.
                 
                                            
                An Ellipse Intersected by Two Ellipses at 45 Degrees,
                        2002. Stainless steel, 40 x 36 x 24 inches.
                 
                                            
                An Ellipse Intersected by Two Ellipses at 45 Degrees,
                        2002. Stainless steel, 40 x 36 x 24 inches.
                 
                                            
                Four Helical Circles,
                        2002. Bronze, 30 x 14½ x 11 inches.
                 
                                            
                A Helix Connected by a Chord,
                        2002.  Stainless Steel painted yellow, 40 x 14 x 13 inches.
                 
                                            
                A Helix Intersected by an Acute Angle,
                        2002. Bronze, 40 x 12½ x 12½ inches.
                 
                                            
                Intersecting Circles with Three Chords to the Base,
                        2002. Polished stainless steel, 41½ x 16 x 12½ inches.
                 
                                            
                Inverted Arcs at 90 Degrees with Parallel Chords,
                        2002.  Stainless steel painted red, 40 x 10 x 10 inches.
                 
                                            
                Overlapping Arcs at 90 Degrees,
                        2002.  Stainless steel, 41 x 9 x 8 inches.
                 
                                            
                Overlapping Arcs at 90 Degrees with Inserted Membranes,
                        2002.  Stainless steel, 41 x 9 x 8 inches.
                 
                                            
                Overlapping Arcs at 90 Degrees with Inserted Membranes,
                        2002. Stainless steel painted red and blue, 41 x 9 x 8 inches.
                 
                                            
                Overlapping Arcs at 90 Degrees with Inserted Membranes,
                        2002. Stainless steel painted yellow and green, 41 x 9 x 8 inches.
                 
                                            
                Parallel Ellipses at 30 Degrees,
                        2002. Stainless steel painted red, 108 x 72 x 36 inches.
                 
                                            
                Parallel Ellipses Intersected by Acute Angles,
                        2002. Bronze with green patina, 36 x 22 x 16 inches.
                 
                                            
                A Partial Helix Connected by a Chord,
                        2002. Stainless steel painted blue, 40 x 16 x 6 inches.
                 
                                            
                A Perpendicular with Partial Helix,
                        2002.  Bronze, 31½ x 22 x 18 inches.
                 
                                            
                Three Inverted Arcs with Parallel Chords,
                        2002.  Polished stainless steel, 41¼ x 8 x 8 inches.
                 
                                            
                A Triangle Intersected by an Arc and a Connecting Chord,
                        2002. Stainless Steel painted blue, 80 x 30 x 30 inches.
                 
                                            
                A Triangle Intersected by a Connecting Arc and a Chord,
                        2002. Stainless steel, 31 x 11½ x 10 inches.
                 
                                            
                A Triangle Intersected by a Connecting Arc and Chord,
                        2002.  Bronze, 80 x 30 x 30 inches.
                 
                                            
                Two Arcs Connected by a Chord,
                        2002.  Stainless steel, 40 x 12 x 6 inches.
                 
                                            
                Two Circles Connected by a Tangential Chord,
                        2002. Polished stainless steel, 29 x 34 x 17 inches.
                 
                                            
                An Arc Connected by an Acute Angle,
                        2001.  Bronze, 40 x 15 x 13 inches.
                 
                                            
                A Circle Intersected by Two Circles,
                        2001. Polished stainless steel, 40 x 40 x 35 inches.
                 
                                            
                A Circle Intersected by Two Concentric Circles at 30 Degrees,
                        2001. Polished stainless steel, 39½ x 39½ x 26 inches.
                 
                                            
                Concentric Loops,
                        2001. Polished stainless steel wire, 41 x 44 x 33 inches.
                 
                                            
                Connecting Irregular Quadrilaterals,
                        2001. Stainless steel, 78 x 40 x 36 inches.
                 
                                            
                Inversion,
                        2001.  Bronze, 96 x 36 x 36 inches.
                 
                                            
                Inverted Arcs with Parallel Chords,
                        2001.  Stainless steel painted dark blue, 50 x 12½ x 12½ inches.
                 
                                            
                An Obtuse Triangle Intersected by an Arc,
                        2001.  Stainless steel painted green, 49½ x 23 x 22 inches.
                 
                                            
                Quasar
                        2001. Green painted stainless steel. 108 x 35 x 24 inches.
                 
                                            
                A Triangle Intersected by a Connecting Arc and a Chord,
                        2001.  Polished Stainless steel, 35¼ x 11 x 9 inches.
                 
                                            
                A Triangle Intersected by a Connecting Arc and a Chord,
                        2001. Stainless steel painted blue, 60 x 24 x 24 inches.
                 
                                            
                Triax,
                        2001.  Stainless steel, 108 x 76 x 1 inches.
                 
                                            
                Two Arcs at 100 Degrees Connected by An Extended Chord,
                        2001.  Bronze, 70 x 11 x 10 inches.
                 
                                            
                An Arc Connected by Two Perpendiculars,
                        2000. Stainless steel, 80 x 36 x 36 inches.
                 
                                            
                An Arc and an Extended Chord Intersected by a Right Triangle,
                        2000. Stainless steel, 31 x 12 x 12 inches.
                 
                                            
                An Arc Connected by Two Parallel Perpendiculars,
                        2000. Bronze wire, 30¼ x 17 x 12½ inches.
                 
                                            
                Ceres,
                        2000. Spring painted red, 24 x 5 x 5 inches.
                 
                                            
                Continuous Elliptical Loops,
                        2000. Stainless steel, 80 x 80 x 48 inches.
                 
                                            
                Continuous Elliptical Loops,
                        2000.  Stainless steel, 31½ x 32 x 20 inches.
                 
                                            
                Continuous Elliptical Loops,
                        2000. Polished stainless steel, 30½ x 30½ x19 inches.
                 
                                            
                An Ellipse Suspended by an Arc and a Chord,
                        2000. Bronze, 30 x 12 x 12 inches.
                 
                                            
                Five Circles in a Column at 45 Degrees,
                        2000. Bronze, 30 x 6 x 4 inches.
                 
                                            
                Inversion,
                        2000. Stainless steel, 18 x 8 x 8 inches.
                 
                                            
                Inverted Arcs at 90 Degrees with Parallel Chords,
                        2000. Stainless Steel, 40 x 12½ x 10 inches.
                 
                                            
                Inverted Arcs at 180 Degrees with Parallel Chords,
                        2000. Stainless steel, 40 x 12½ x 3 inches.
                 
                                            
                Parallax,
                        2000. Stainless steel, 106 x 100 x 54 inches.
                 
                                            
                Pulsar,
                        2000. Stainless steel, 96 x 59 x 60 inches.
                 
                                            
                Tektonics,
                        2000.  Stainless steel painted blue, (from left to right) 94 x 64 x 24, 104 x 55 x 24, 100 x 36 x 20 inches.
                 
                                            
                Tektonics,
                        2000.  Stainless steel painted blue, (left to right) 101 x 72 x 30, 124 x 54 x 1, 108 x 40 x 1 inches.
                 
                                            
                Two Connecting Inverted Arcs,
                        2000. Stainless steel, 30½ x 16 x 13 inches.
                 
                                            
                Two Parallel Inverted Arcs with Parallel Chords,
                        2000. Stainless steel 31 x 14 x 12 inches.
                 
                                            
                The Couple,
                        1999. Stainless steel and bronze, 360 x 128 x 96 inches.
                 
                                            
                The Couple,
                        1999. Stainless steel and bronze, 91 x 32 x 24 inches.
                 
                                            
                Elliptyk,
                        1999. Bronze, 82 x 34 x 26 inches.
                 
                                            
                Elliptyk,
                        1999. Bronze, 84 x 38 x 30 inches.
                 
                                            
                Inversion II
                        1999.  Bronze, 108 x 40 x 5 inches.
                 
                                            
                Psyche,
                        1999. Bronze 144 x 60 x 48 inches.
                 
                                            
                Signifier I,
                        1999.  Aluminum painted red, 96 x 15 x 4 inches.
                 
                                            
                Signifier II,
                        1999. Bronze, 96 x 60 x 5 inches.
                 
                                            
                Suffusion
                        1999. Bronze with blue patina. 144 x 144 x 144 inches.
                 
                                            
                Suffusion,
                        1999. Bronze with blue patina, 60 x 60 x 60 inches.
                 
                                            
                Linear,
                        1998. Stainless steel painted red and black, 55½ x 10 x 10 inches.
                 
                                            
                Morph,
                        1998. Bronze with carbon black patina, 120 x 64 x 56 inches.
                 
                                            
                Morph,
                        1998.  Bronze with dark blue patina, 96 x 40 x 32 inches.
                 
                                            
                Musika,
                        1998. Bronze with carbon black patina, 84 x 72 x 30 inches.
                 
                                            
                Psyche II,
                        1998. Stainless steel, 84 x 34 x 26 inches.
                 
                                            
                Psyche II,
                        1998. Stainless steel painted red, 58 x 24 x 18 inches.
                 
                                            
                Largo,
                        1997. Bronze, 72 x 60 x 30 inches.
                 
                                            
                Mathematika,
                        1997. Aluminum, 96 x 105 x 5 inches.
                 
                                            
                Mathematika,
                        1997. Darkened bronze, 96 x 105 x 5 inches.
                 
                                            
                Psyche,
                        1997. Bronze, 89 x 48 x 31 inches.
                 
                                            
                Triad,
                        1997. Stainless steel, 120 x 40 x 4 inches.
                 
                                            
                Octacube,
                        1996.  Silver and copper, 15 x 21 x 15 inches.
                 
                                            
                Octacube,
                        1996. Painted wood, 15 x 21 x 15 inches.
                 
                                            
                Octacube,
                        1996. Painted wood, 15 x 21 x 15 inches.
                 
                                            
                Stone Courtyard,
                        1995. Granite, 480 x 480 inches.