Wolfgang Heidenfeld (1911-1981) was a German-born (Berlin) Jewish chess author who was forced to emigrate to South Africa in the 1930s and then settled in Ireland in 1957. He was South African Champion in 1939, 1945-46, 1947, 1949, 1951, 1955, 1957, and 1959. He was Irish Champion in 1958, 1963, 1964, 1967, 1968, and 1972. During World War II, he helped decode German messages for the Allies. He died in Germany. In 1959, he was champion of Ireland and South Africa while living in Germany. FIDE awarded him the title of International Master, but he declined to accept the award from FIDE. His son, Mark (born in 1968), became and International Master.