An acclaimed documentarian and photographer, he is renowned for his groundbreaking work capturing the vibrant graffiti and hip-hop culture of New York City in the late 20th century. His influential photographs and films, such as "Style Wars," co-directed with Tony Silver, have become key historical records of urban art and street culture. With a background in Classical Greek studies, he transitioned from sculpture to photography, becoming a pivotal figure in documenting the rise of urban art forms.