|  | Henry Chalfant is an American photographer and videographer well known for his work on hip hop culture. He is the author of Spraycan Art, and his world-renowned documentation of the artists of the New York subway was memorialized in the most successful book on graffiti ever published, Subway Art, published by Thames & Hudson. Sacha Jenkins is a former New York graffiti writer turned journalist whose books include the Piecebook series of graffiti drawings. He is the co-founder of the seminal hip-hop magazine ego trip, as well as co-author of the best-selling biography of Eminem, The Way I Am. |