Josef Gerö 1945 - 1954 Hans Walch 1955 - 1970 Heinz Gerö 1970 - 1976 Karl Sekanina 1976 - 1984 Beppo Mauhart 1984 - 2002 Friedrich Stickler 2002 - ???
Josef Gerö 1945 - 1954 Hans Walch 1955 - 1970 Heinz Gerö 1970 - 1976 Karl Sekanina 1976 - 1984 Beppo Mauhart 1984 - 2002 Friedrich Stickler 2002 - ???