NEW YORK-MAY 5: Robert I. Grossman, M.D., Dean and CEO of the Medical Center and benefactor Kenneth Langone attend 2009 Violet Ball Honoring Susan and Martin Lipton to Benefit NYU Langone Medical Center on Tuesday, May 5, 2009 at Cipriani 42nd Street, 110 East 42nd Street, (Between Lexington & Park Avenues), New York City, NY 10017 (Photo Credit: © by Christopher London) - :|MANHATTAN SOCIETY|:Manhattan, New York City Event Photo Gallery