Many people were involved in the production, most notably: Nicholas Negroponte, founder and director of the Architecture Machine Group, who found support for the project from the Cybernetics Technology Office of DARPA; Andrew Lippman, principal investigator; Bob Mohl, who designed the map overlay system and ran user studies of the efficacy of the system for his PhD thesis; Richard Leacock (Ricky), who headed the MIT Film/Video section and shot along with MS student Marek Zalewski the Cinéma vérité interviews placed behind the facades of key buildings; John Borden, of Peace River Films in Cambridge, Massachusetts, who designed the stabilization rig; Kristina Hooper Woolsey of UCSC; Rebecca Allen; Scott Fisher, who matched the photos of Aspen in the silver-mining days from the historical society to the same scenes in Aspen in 1978 and who experimented with anamorphic imaging of the city (using a Volpe lens); Walter Bender, who designed and built the interface, the client/server model, and the animation system; Steve Gregory; Stan Sasaki, who built much of the electronics; Steve Yelick, who worked on the laserdisc interface and anamorphic rendering; Eric "Smokehouse" Brown, who built the metadata encoder/decoder; Paul Heckbert worked on the animation system; Mark Shirley and Paul Trevithick, who also worked on the animation; Ken Carson; Howard Eglowstein; and Michael Naimark, who was at the Center for Advanced Visual Studies and was responsible for the cinematography design and production.