Eugen Mittwoch moved via Paris to London with his immediate family. During the last 18 months of his life, he worked for the Middle East department of the British Ministry of Information under the leadership of Ernst Jaeckh. The remaining family, including his mother, who was murdered in Bergen-Belsen, perished in the Shoah. A daughter Adele Mittwoch (1925 - 2011) was a renowned psychotherapist in England, specializing in group psychotherapy, another daughter Agnes (born 1926) later immigrated to Israel ( made aliyah ) and was a university lecturer in Jerusalem. The oldest daughter, Ursula, born 1924, was professor for human genetics at
Determination of the day of the week enter a self-contained function for converting a Gregorian date into a numerical day of the week. It preserves neither y nor d, and returns 0 = Sunday, 1 = Monday, etc. Shortly afterwards, Hans Lachman streamlined their algorithm for ease of use on low-end devices. As designed originally for four-function calculators, his method needs fewer keypad entries by limiting its range either to A.D. 1905-2099, or to historical Julian dates. It was later modified to convert any Gregorian date, even on an abacus. On Motorola 68000-based devices, there is similarly less need of either processor registers or opcodes, depending on