From about 1955 he started to work on sheaf theory and homological algebra, producing the influential " Tôhoku paper " ( Sur quelques points d ' algèbre homologique, published in 1957 ) where he introduced Abelian categories and applied their theory to show that sheaf cohomology can be defined as certain derived functors in this context.

From 1912 until his death in 1955, Cy Young lived and worked on his farm.

From 1919 to 1955 the Progressive Education Association founded by Stanwood Cobb and others worked to promote a more student-centered approach to education.

From 16 May – 17 June 1955, Nikolai Bulganin and Anastas Mikoyan visited Yugoslavia and Khrushchev renounced the expulsion of Yugoslavia from the Communist bloc.

From 1955 onwards, the works of directors of the so-called Polish Film School had a great influence on the contemporary trends such as French New Wave, Italian neorealism or even late Classical Hollywood cinema.

From 1955 to 1965, Guattari edited and contributed to La Voie Communiste ( Communist Way ), a Trotskyist newspaper.

From 1950 to 1955, Simon studied mathematical economics and during this time, together with David Hawkins, discovered and proved the Hawkins – Simon theorem on the “ conditions for the existence of positive solution vectors for input-output matrices.

From August 8 to August 20, 1955, the United Nations held the International Conference on the Peaceful Uses of Atomic Energy in Geneva, Switzerland.

From 1955 the Guard was organised into a Headquarters Company, a Garrison Platoon, a Reconnaissance Company and two Training Companies.

From 1953 to 1955, she was the president of the Folklore Society, although since her death various members of the society have attempted to dissociate the organisation from her and the Murrayite theory of the Witch-Cult.

From 1947 until 1955 his mother underwent treatment for Pott disease.

These included It Came From Beneath The Sea ( 1955 ), Jason and the Argonauts ( 1963 ), The Golden Voyage of Sinbad ( 1974 ) and Clash Of The Titans ( 1981 ).

From 25 January 1955, through mid-1956 Argentina maintained the summer station Teniente Esquivel at Ferguson Bay on the southeastern coast of Thule Island.

From 1955 to 1960, Williams maintained an average OPS of 1. 092, as compared with. 950 for Aaron.

From December 1947 to May 1955 Gombrowicz worked as a bank clerk in Banco Polaco, the Argentine branch of Pekao SA Bank.

From 1955 to 1972, their ideas were pursued during Project Rover, which explored the use of nuclear reactors to power rockets.

From 1951 to 1955 he was a member of the National Assembly, the parliament of Czechoslovakia.

From 1952 to 1955, he served in Berlin as the Economic Reporting Officer in the Eastern Affairs Division, as an adviser on the staff of the United States High Commissioner for Germany.

From 1951 to 1955, the FBI operated a secret " Responsibilities Program " that distributed anonymous documents with evidence from FBI files of Communist affiliations on the part of teachers, lawyers, and others.

From 1951 to 1955, he worked as an instructor in psychology at the École Normale Supérieure at the invitation of Althusser.

From 1955 he was a board member of the Swedish Social Democratic Youth League and lectured at the Youth League College Bommersvik.

From October 15, 1955 to September 1956, ABC-TV aired a live, hour-long television version once a month on Saturday nights ( sponsored by Ralston-Purina ), pre-empting one hour of the then-90-minute Ozark Jubilee.

From 1955 – 57, Al Gannaway produced both The Country Show and Stars of the Grand Ole Opry, filmed programs syndicated by Flamingo Films.

From 1955 to 1960, Chiang administered the construction and completion of Taiwan's highway system.

From 21 September 1955, the Egypt / Israel Demilitarized Zone was occupied by Israel armed forces, Secretary-General Dag Hammarskjöld and the Chief of Staff UNTSO had engaged in efforts to secure the implementation of a plan for withdrawal of Israel armed forces and removal of Egyptian Forces from prohibited positions.

From the late 1980s, Andersson had worked on an idea for an epic Swedish language musical based on his affection for traditional folk music, and in October 1995, Kristina från Duvemåla premiered in Sweden.

From 1906 to 1909, Attlee worked as manager of Haileybury House, a charitable club for working class boys in Stepney in the East End of London run by his old school.

From 1958 to 1967 he worked for the CIA, under deep cover in Europe, Asia, and Africa.

From 1962 to 1968, he worked at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts.

From the 1950s onward, he worked as an advisor to NASA, where one of his duties included briefing the Apollo astronauts before their flights to the Moon.

From 1957 to 1961 he worked on the Orion Project, which proposed the possibility of space-flight using nuclear pulse propulsion.

From 1748 to 1760 he lived in Leipzig and Berlin and worked as reviewer and editor for, amongst others, the Vossische Zeitung.

From 1760 to 1765 he worked in Breslau ( now Wrocław ) as secretary to General Tauentzien.

From 1990 to 1993 it was maintained by John Gilmore while he worked for Cygnus Solutions.

From 1966 to 1969, she worked as a physician at the Directorate of Health ( Helsedirektoratet ), and from 1969 she worked as a doctor in Oslo's public school health service.

From mid-1924 he worked under Gregor Strasser as a party secretary and propaganda assistant.

From 1894 to 1899 he then worked with Édouard Naville at Deir el-Bahari, where he recorded the wall reliefs in the temple of Hatshepsut.

From the Modern era, the Middle Ages through the Renaissance painters worked for the church and a wealthy aristocracy.

From 1973 to 1974, Cerf's networking research group at Stanford worked out details of the idea, resulting in the first TCP specification.

From 1963 to 1971 Reno worked as a lawyer for two Miami law firms.

From 1938 to 1942, Pollock worked for the WPA Federal Art Project.

From 1730 to 1739 he worked in England, in Pown House, Moor Park and in the Theatre of Covent Garden.

From 1850 to 1853, Millet worked on Harvesters Resting ( Ruth and Boaz ), a painting he would consider his most important, and on which he worked the longest.

From 1598 Dowland worked at the court of Christian IV of Denmark, though he continued to publish in London.

From 1952 to 1962 he worked as a professor at the John Curtin School of Medical Research ( JCSMR ) of the Australian National University.

From 1957 – 1959, they worked in six-month stretches at Cadbury's to raise money for a new flat ; they moved into a small, austere flat at 25 Noel Road in Islington in 1959.