Breaking bounds

In 1982 an event took place in the career of the New York photographer Lois Greenfield which was to lead to some of the most inventive representations of dance in the history of photography. Early that year, Greenfield met and decided to photograph two young dancers, David Parsons and Daniel Ezralow. She used for the initial session - and for the first time - a borrowed Hasselblad camera. Her excitement at the result was immediate. "I looked at the print," she says, "and. Knew I was on to something." What in fact this chance convergence of elements gave rise to was the archetypal Greenfield…