Diemer, Emil Josef
Emil Josef Diemer (1908-1990) was a German master who contributed to the Blackmar-Diemer Gambit, 1.d4 d5 2. e4 dxe4 3.f3 or 1.d4 Nf6 2.Nc3 d5 3.e4. In 1935/36 and 1936/37 he took first place in the Premier Reserves Major Tournament at Hastings. In 1965 he was committed to a psychiatric clinic and was told not to play chess. He returned to chess in the 1970s. He had been a member of the Nazi party and was a chess reporter in the 1930s and 1940s. He became preoccupied with Nostradamus, with interpreting the past and foretelling the future.