Arturo Issel (Genoa April 11, 1842 – Genoa November 27, 1922)[1] was an Italian geologist, palaeontologist, malacologist and archaeologist, born in Genoa.[2] He is noted for first defining the Tyrrhenian Stage in 1914.[3] Issel was also renowned at the time for his work on codifying information within anthropology and ethnology, for which he is still remembered.[4][5]