Photographer William Klein is one of the pioneers of street photography as well as the creator of some of the most iconic fashion images of the 20th Century. Not only is he a photographer, but a filmmaker as well that has over 20 films under his belt, including the first ever documentary of Muhammad Ali and Who Are You Polly Magoo? a satirical film about the fashion world. This documentary shows us how his creativity has helped him produce a huge body of work that had meaning behind it. Check out the video and get a glimpse of this photography legend.