 He had suffered a heart attack at a friend's apartment while in New York City on business; after being treated by a physician, he returned to his own apartment at 201 East 47th Street where a building superintendent found him dead the following morning.He was survived by wife Esther Johnson Bowles, with whom he had sons Francis T. and John, and daughters Elizabeth and Amy.A cousin of the siblings was Chester Bowles, a governor of Connecticut and ambassador to India.