perhaps unusually accessible within a contemporary art context. As a consequence, his work often receives mixed reviews from critics, some of whom have noted a tendency toward grandiosity and obviousness in some of his work. Yet it is this very ambitiousness, his striving toward meaning, and attempts to deal with the big themes of human life, that also make his work so clearly appreciated by other critics, his audiences and collectors. His early work established his fascination with issues that continue to inform his work today. In particular, Viola's obsession with capturing the essence of emotion through recording of its extreme display began at least as early as his 1976 work, The Space Between the Teeth, a video of himself screaming, and continues to this day with such works as the 45-second Silent Mountain (2001), which shows two actors in states of anguish. If Viola's depictions of emotional states with no objective correlative — emotional states for which the viewer has no external object or event to understand them by—are one feature of many of his works, another, which has come to the forefront, is his reference to medieval and classical depictions of emotion. Most immediately, his subdued Catherine's Room 2001, has many scene by scene parallels with Andrea di Bartolo's 1393 St. Catherine of Siena Praying. Viola's work has received critical accolades. Critic Marjorie Perloff singles him out for praise. Writing at length about the necessity of poetic works responding to and taking advantage of contemporary computer technologies, Perloff sees Viola as an example of how new technology—in his case, the video camera—can create entirely new aesthetic criteria and possibilities that did not exist in previous incarnations of the genre — in this case, theater. Video art projects While many video artists have been quick to adopt new technologies to their medium, Viola relies little on digital editing. Perhaps the most technically challenging part of his work, and that which has benefited most from the advances since his earliest pieces, is his use of extreme slow motion. Reverse Television Reverse Television 1983 is a 15-minute montage of people watching video cameras as though they were televisions. The Quintet Series The Quintet Series 2000 is a set of four separate videos that shows the unfolding expressions of five actors in low motion so that details of their changing expressions can be detected. Collaboration with Nine Inch Nails In 2000, Bill