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
Eight-day week popularity of the seven-day rhythm won and the eight-day week disappeared. The cycle of seven days, named after the sun, the moon, and the five planets visible to the naked eye, was already customary in the time of Justin Martyr, who wrote of the Christians meeting on the Day of the Sun (Sunday). Emperor Constantine eventually established the seven-day week in the Roman calendar in AD 321. The Celts used periods of darkness such as night and winter to begin their calculations of time. This meant that the first period of time in a "week" was a night, followed by