Socialite Broker Commits Suicide In Family HomeNEW YORK W — Robert Fulton Cutting II, 38-year-old socialite? and Wall Street broker, shot himself to death Wednesday in his family's eight-story town house just off Fifth Avenue.Cutting's body was found in the basement laundry of his home by a friend, Letitia Ambrose. Miss Ambrose had been on another floor and did not hear the shot. But she knew Cutting had an appointment with his psychiatristand went looking for him to remind him of it.Cutting, using an Army-type .45 caliber revolver, had shot himself once in the chest. An unaddressed note neatly printed on a shirt cardboard told of gratitude to his parents and regret that he could not go on living.Miss Ambrose told authorities Cutting had feared his psychiatrist might recommend that he go to an institution for treatment.Cutting was the only son of Mr. and Mrs. Fulton Cutting, who were in Southampton on Long Island at the time.The son, a Groton and Harvard graduate, was a descendant ofRobert Fulton, inventor of the steamboat. He served as an artillery captain during World War II. Two years ago he joined the Pittsburgh brokerage firm of Moore, Leonard and Lynch, and was an executive in the compa-nay’s New York Wall Street office.The Cutting family is listed in the social register.Cuttings father, Fulton Cutting, is an eminent electronics engineer, a past president of the Institute of Radio Engineers, and assistant to the president andtrustee of Stevens Institute ofTechnology at Hoboken, N. J.Young Cutting had been married to and divorced from Katherine Drexel Van Pelt, now Mrs. Henry T. Mortimer. They had one daughter, Helen S. Cutting, now 10 years old.