"It's the excitement of discovering people. They're like X-rays, these photographs—I feel that I'm getting an idea of who these people are, the life they lead, and where they're going. That's the excitement of taking photographs of people in the street."
Klein is a pioneer of street photography and one of the most influential photographers of all time. Exploring the streets of New York in the 1950s, he's famous for his use of blur and a unique in-your-face-style of urban photography. Check out a great film about his life and photographs here.