Henry Chalfant
Henry Chalfant is an American photographer and videographer renowned for his documentation of graffiti and street art. Born in 1940 in Sewickley, Pennsylvania, Chalfant became a pivotal figure in the New York City subway graffiti scene during the late 1970s and early 1980s. His work, notably through the book "Subway Art" (co-authored with Martha Cooper in 1984), has been instrumental in promoting the graffiti movement globally. Chalfant's photography has captured the evolution of an underground art form, preserving its history and influencing generations of artists and enthusiasts.