John Allan (numismatist) John Allan (numismatist) John Allan, (8 August 1884 – 29 August 1955) was a British numismatist and scholar of Sanskrit. Allan was a noted numismatist and produced the first systematic study of the coins the Gupta Empire, which remains a standard reference today. Allan was born in Bolton, East Lothian. His father, John Gray Allan, was the local schoolmaster. After studying at the universities of Edinburgh and Leipzig, Allan took up a position at the British Museum in 1907, eventually becoming the Keeper of the Department of Coins and Medals in 1931. He was also a lecturer in Sanskrit at
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