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A North American nuclear family. For social conservatism in the United States and Canada, the idea that the nuclear family is traditional is a very important aspect, where family is seen as the primary unit of society. These movements oppose alternative family forms and social institutions that are seen by them to undermine parental authority.
The Origin of the Family, Private Property and the State begins with an extensive discussion of Morgan's Ancient Society, which aims to describe the major stages of human development, and agrees with the work that the first domestic institution in human history was the matrilineal clan. Morgan was a pioneering American anthropologist and ...
Many sociologists used to believe that the nuclear family was the product of industrialization, but evidence highlighted by historian Peter Laslett suggests that the causality is reversed and that industrialization was so effective in North-western Europe specifically because the pre-existence of the nuclear family fostered its development. [34]
Siegfried Flügge (16 March 1912, in Dresden – 15 December 1997, in Hinterzarten) was a German theoretical physicist who made contributions to nuclear physics and the theoretical basis for nuclear weapons. [1] He worked on the German nuclear energy project.
Operation Osoaviakhim was a secret Soviet operation in which more than 2,500 German specialists (scientists, engineers and technicians who worked in several areas) from companies and institutions relevant to military and economic policy in the Soviet occupation zone of Germany (SBZ) and Berlin, as well as around 4,000 more family members, totalling more than 6,000 people, were taken from ...
Other German physicists who had used the facilities included Kurt Diebner, Walther Bothe, and Erich Bagge, all of whom were known to be associated with the German nuclear project. [48] [49] Meanwhile, T-Force had moved into the Petit Palais. The main body of the Alsos Mission soon followed, and the Mission opened an office at the Place de l'Opéra.
Werner Karl Heisenberg (/ ˈ h aɪ z ən b ɜːr ɡ /; [2] German: [ˈvɛʁnɐ kaʁl ˈhaɪzn̩bɛʁk] ⓘ; 5 December 1901 – 1 February 1976) [3] was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics, and a principal scientist in the Nazi nuclear weapons program during World War II.
Einstein sent two more letters to Roosevelt, on March 7, 1940, and April 25, 1940, calling for action on nuclear research. Szilard drafted a fourth letter for Einstein's signature that urged the President to meet with Szilard to discuss policy on nuclear energy. Dated March 25, 1945, it did not reach Roosevelt before his death on April 12, 1945 ...