Lewis Gildersleeve Harriman (March 24, 1889 – January 7, 1973) was an American banker.
Harriman and a group of investors including A. H. Schoellkopf, from the founding family of the Niagara Mohawk power company, and James V. Forrestal, who would become the first U.S. Secretary of Defense, owned enough shares to control both Fidelity and M&T.
[4][5] In 1961, Delmer F. Hubbell Jr. succeeded Harriman as President of M&T Discount Corporation, its principal dealer in bankers' acceptances in New York City.
[6] He served as president of the parent company, M&T Bank, from 1925 to 1954, after which he became chairman of the board.
[4] In 1929, he was elected a director of the American Founders' Corporation to succeed George Rea.
After a service at Trinity Episcopal Church, he was buried at Forest Lawn Cemetery, Buffalo.