Clark was born in Tulsa, Oklahoma. He learned photography at an early age. His mother was an itinerant baby photographer, and he was enlisted in the family business from the age of 14. His father was a traveling sa… See more

In 1964, he moved to New York City to freelance, but was drafted within two months into the United States Army. From 1964 to 1965, he served in the Vietnam War in a unit that supplied ammunition to units fighting in the north. … See more

In Kids (1995), his most widely known film, boys portrayed as being as young as 12 are shown to be casually drinking alcohol and using other drugs. The film received an NC-17 rating, and was later released without a rating whe… See more