John Kent (numismatist) in AD 491. He also completed two volumes on the Continental Celtic Coins in the British Museum and other collections left incomplete by the death of previous keeper Derek Allen, which were published in 1987 and 1990. In 1974 he was promoted Deputy Keeper, and in 1983 Keeper, of the British Museum's coin and medal collection, a post he held until his retirement in 1990. A commemorative medal was struck to mark his retirement. He died in 2000. He had married Patricia Bunford in 1961 and had a son and a daughter. John Kent (numismatist) John Philip Cozens Kent (28
Henry Cohen (numismatist) 1854, dealt with the Roman Republican coinage, while the second, issued in 8 volumes from 1859 to 1868, focused on the coinage of the Roman Empire, from Pompey to Romulus Augustus (49 BC - 476). Besides his numismatic works, Cohen wrote several compositions, one of which, the opera "l'Impératrice", was performed, about 1834, in Naples, Paris, and London. Moreover, he published four tracts about musical theory. Henry Cohen (numismatist) Henry Cohen (Amsterdam, 21 April 1806 – Paris, 17 May 1880), was a French numismatist, bibliographer and composer. Cohen moved from Amsterdam to Paris, where he worked as a music teacher