Guinzburg died in Manhattan at age 84 on September 8, 2010, due to complications of heart bypass surgery. He was survived by a companion of 15 years, Victoria Anstead, two granddaughters, a daughter Kate and a son Michael from his first wife, actress Rita Gam, whom he married in 1956.Staff. "RITA GAM REMARRIED; Film Actress Is Wed Here to Thomas H. Guinzburg", The New York Times, March 24, 1956. Accessed September 13, 2010. He was also survived by a daughter, Amanda Guinzburg, from his second marriage to writer, Rusty Unger.
