Former Hamden, current Santa Fe, New Mexico resident Gelbart is a painter and mixed media sculptor with an architectural drafting background. He studied at Southern Connecticut, the University of Wisconsin and Pratt Institute and has taught at Paier, Fairfield University and the Creative Arts Workshop. He has exhibited solo in galleries in New Haven, New York City; in museums in Las Cruces (NM), Albuquerque, Stamford (CT) and Lincoln (MA), and in group exhibitions in New Mexico, Arizona, Massachusetts, Pennsylvania, Colorado and Connecticut. He is the recipient of several arts awards and grants. His work is in the public collections of the New York Public Library, the Yale University Library, the DeCordova Museum (MA) and the Connecticut Conference of Municipalities.