Background
Kleeberg, John Martin was born on May 29, 1958 in New York City. Son of Fred Martin and Irene Flitner (Cumming) Kleeberg.
Kleeberg, John Martin was born on May 29, 1958 in New York City. Son of Fred Martin and Irene Flitner (Cumming) Kleeberg.
Bachelor, Yale University, 1979. Doctor of Philosophy, University Oxford, England, 1988.
Associate curator modern coins, American Numismatic Society, New York City, since 1992.
Member New York Numismatic Club (secretary, vice president, president 1996), Bronx Coin Club.