French Alfred Rittmann Cited by user Desman31 on 18 Feb 2022 Alfred Rittmann, né à Bâle, Suisse le 23 mars 1893, et mort à Piazza Armerina, Italie, le 19 septembre 1980, est un volcanologue suisse de premier plan.
English Alfred Rittmann Cited by user Chris.urs-o on 08 Jun 2010 Alfred Rittmann was a world's leading volcanologist at his time. He was elected IAV President (IAV at that time) for three periods (1954–1963).