 Later he founded the North American Butterfly Association (NABA) and is the leading proponent of moving interest in butterflies from hobbyist collecting and nets to butterflying with binoculars and cameras.He has written a number of field guides as well as numerous articles.Jeffrey Glassberg was born in Brooklyn, New York, on November 27, 1947, where his family lived until 1952 when they moved to Long Island, New York.