He attended Massachusetts Institute of Technology (MIT), where he graduated with a bachelor's degree in ocean engineering in 1975.
[1] Kahn first heard about the game tiddlywinks in 1971 from an MIT handbook sent to incoming students.
[6] Additionally, he was the only player to have held all six of the game's major titles simultaneously (in April 1995).
[8] Lockwood and Kahn frequently compete against each other, with Sports Illustrated once comparing their rivalry to that of Muhammad Ali and Joe Frazier.
[1][9] Since the mid-1990s, Kahn has had a World Championship rivalry with English player Patrick Barrie, with the pair contesting 16 matches up to the end of 2019.