1933      Born New York, NY

1950      Harvard University, A.B.

1954      Harvard Graduate School of Design

1958      New Product Development at Arthur D. Little, Inc. 

1963      Invented the Kalliroscope, an object for seeing the moving patterns of fluid flow. Patented in 1967. 

1967      Research Associate, SUNY at Albany

1968      Founded Kalliroscope Corporation

1977      For Alexander Calder, designed, fabricated, and installed the Mobile in the National Gallery of Art, Washington, D.C

1977      Translated and published the posthumous notes of Marcel Duchamp for the Centre Pompidou, Paris

1980      Designed, fabricated, and installed "The Musical Fence", two interactive sculptures commissioned by the City of Cambridge

1982      Private commissions, plus work on "Ulysees", a computer-driven sculpture for General Electric. 

1986      Designed, fabricated, and installed "The Kendall Band", a musical sculpture for the Kendall/MIT subway station in Cambridge

1988      Public and private commissions

1991      Designed, fabricated, and installed "Sixteen Bells", an interactive musical sculpture for the Discovery Place, The Science Museum of Charlotte, NC.   

1994      Designed, fabricated, and installed the "Forest Bells", a musical sculpture commissioned by The Artists' Valentine collective, Groton, MA

2000      Designed, fabricated, and installed "The Charlestown Bells", an interactive musical sculpture for Paul Revere Park, Boston, MA

2001       Designed, fabricated, and installed the "Memorial Bell" for the National Japanese American Memorial to Patriotism in Washington, DC

2002      Designed, fabricated, and installed a "Musical Fence" for the University of Hartford Magnet School in Hartford, CT

2004      Designed, fabricated, and installed an "Olympic Bell" in Athens, Greece for the 2004 Olympic Games

2005      Advised on the re-installation of the Calder Mobile in the National Gallery of Art after its 2 year restoration

2006      Designed, fabricated, and installed "Gallery Bells" in the Kalliroscope Gallery, Groton, MA

2012      Designed, fabricated, and installed a "Meditation Bell" at Chateau LaCoste, France

2012      Designed, fabricated, and installed a "Silo Bell" at a private residence, Groton, MA

2013      Refurbishment of "The Charlestown Bells"