Martha Cooper has been a professional photographer for over 50 years.
He is also an accomplished filmmaker and has authored well over 60 books on the subjects of Graffiti and street art..
ROGER GASTMAN is a collector, as well as the curator and founder of BEYOND THE STREETS, an organization that creates large-scale exhibitions of street art.
Her work has been exhibited in museums and galleries worldwide.
In addition to Subway Art , she has published numerous other photo books.
Martha Cooper has been a professional photographer for over 50 years