NYU Langone Medical Center's 2015 Violet Ball

J. Ira Harris, Robert Grossman, Nicki Harris, Martin Lipton and Ken Langone pose with Harris's Recognition Award at the NYU Langone Medical Center's 2015 Violet Ball on May 7, 2015 in New York City.
(May 6, 2015 - Source: Mike Coppola/Getty Images North America)