Principal, Ralph Applebaum Associates, New York, NY, 1978-present. The Applebaum web site described the firm in 2012: "Founded in 1978, and currently the largest interpretive museum design firm in the world, Ralph Appelbaum Associates has an interdisciplinary staff of more than 135 specialists in different aspects of design and communications: technology and media specialists, architects, writers, editors, and management personnel. The firm has completed over 350 commissions to date." (See "About the Firm,"Accessed 01/29/2012.)