In 1934 Dingler was dismissed from his teaching position. He told several interviewers that this was because of his favorable writings concerning Jews. In fact he was dismissed as part of a general retrenchment and not at this time for political reasons. Later his reinstatement was opposed for political reasons, but by 1940 he had joined the Nazi Party and was given a teaching position. Of Dingler's 1944 book Lehrbuch der Exakten Naturwissenschaften only thirty copies survived wartime bombing.
Dingler's position is usually characterized as "conventionalist" by Karl Popper and others. Sometimes he is called a "radical conventionalist", as by the early Rudolf Carnap. Dingler himself initially characterized it as "critical conventionalism", to contrast it... Read More