Stone was born in Manhattan. He and Janice Gilbert married in 1955; divorced in 1975. He retired from bridge and moved to Las Vegas in 1986.
Stone was inducted into the ACBL Hall of Fame in 2003.
Books
Bridge is a Partnership Game: the Roth–Stone System, Al Roth and Stone (E. P. Dutton, 1958), 237 pp., LCCN 58-9305; Second edition 1989, Granovetter Books, new foreword by Matt Granovetter and new preface by Roth, OCLC 22757918