Dorothy and Herbert Vogel at The Clocktower with a drawing by Philip Pearlstein behind them, 1975. 
Photography Credit: Nathaniel Tileston. Courtesy Dorothy and Herbert Vogel, New York, and the National Gallery of Art, Washington, D.C.

Dorothy and Herbert Vogel at The Clocktower with a drawing by Philip Pearlstein behind them, 1975.

Photography Credit: Nathaniel Tileston. Courtesy Dorothy and Herbert Vogel, New York, and the National Gallery of Art, Washington, D.C.