paragraph_text: Georg Feigl started studying mathematics and physics at the University of Jena in 1909. In 1918, he obtained his doctorate under Paul Koebe. From 1928 he was editor of the "Jahrbuch über die Fortschritte der Mathematik" ("Yearbook on the progress of mathematics"). In 1935 he became a full professor at the University of Breslau. In 1937—1941, he was an editor of the journal Deutsche Mathematik.

paragraph_text: The Blue Mouse (German: Die blaue Maus) is a 1928 German silent film directed by Johannes Guter and starring Jenny Jugo, Harry Halm and Brita Appelgren.

paragraph_text: Sir or Madam (German: Ossi hat die Hosen an) is a 1928 British-German silent comedy film directed by Carl Boese and starring Margot Armand, Percy Marmont and Ossi Oswalda. It was based on the 1923 novel "Sir or Madame" by Berta Ruck and shot at Elstree Studios near London. The film was a co-production between Germany and Britain, with separate versions released in the countries. In Britain it was not released until February 1930.

paragraph_text: The Bardoli Satyagraha of 1928, in the state of Gujarat, India during the period of the British Raj, was a major episode of civil disobedience and revolt in the Indian Independence Movement. The movement was eventually led by Vallabhbhai Patel, and its success gave rise to Patel becoming one of the main leaders of the independence movement.

paragraph_text: Lincoln Plumer (28 September 1875, Maryland - 14 February 1928, Hollywood, California) was an American silent film actor. He married fellow actor Rose Plumer. Lincoln Plumer died of heart disease in 1928.

paragraph_text: Vallabhbhai  Patel (31 October 1875 – 15 December 1950), popularly known as Sardar Patel, was an Indian politician. He served as the first Deputy Prime Minister of India. He was an Indian barrister and statesman, a senior leader of the Indian National Congress and a founding father of the Republic of India who played a leading role in the country's struggle for independence and guided its integration into a united, independent nation. In India and elsewhere, he was often called Sardar, meaning "chief" in Hindi, Urdu, and Persian. He acted as Home Minister during the political integration of India and the Indo-Pakistani War of 1947.Patel was raised in the countryside of state of Gujarat. He was a successful lawyer. He subsequently organised peasants from Kheda, Borsad, and Bardoli in Gujarat in non-violent civil disobedience against the British Raj, becoming one of the most influential leaders in Gujarat. He was appointed as the 49th President of Indian National Congress, organising the party for elections in 1934 and 1937 while promoting the Quit India Movement.

paragraph_text: Avner Treinin (, February 14, 1928 – October 7, 2011) was an Israeli poet and professor of physical chemistry at the Hebrew University of Jerusalem.

paragraph_text: The Hornsrud's Cabinet governed Norway between 28 January 1928 and 15 February 1928. The first Labour Party cabinet in Norway, it was defeated by the other parliamentary parties on a vote of no confidence after only sixteen days.

paragraph_text: United States at the 2018 Winter Olympics Flag of the United States of America IOC code USA NOC United States Olympic Committee in Pyeongchang, South Korea February 9 -- 25, 2018 Competitors 241 in 15 sports Flag bearer Erin Hamlin (opening) Jessica Diggins (closing) Medals Ranked 4th Gold Silver Bronze Total 9 8 6 23 Winter Olympics appearances (overview) 1924 1928 1932 1936 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1994 1998 2002 2006 2014 2018

paragraph_text: Medha Patkar has been the guiding light of the movement. She has organized several fasts and satyagrahas. Patkar has also been to jail because of her desire to achieve right to life and livelihood for the suppressed people.

paragraph_text: Following the Peterloo massacre of 1819, poet Percy Shelley wrote the political poem The Mask of Anarchy later that year, that begins with the images of what he thought to be the unjust forms of authority of his time—and then imagines the stirrings of a new form of social action. It is perhaps the first modern[vague] statement of the principle of nonviolent protest. A version was taken up by the author Henry David Thoreau in his essay Civil Disobedience, and later by Gandhi in his doctrine of Satyagraha. Gandhi's Satyagraha was partially influenced and inspired by Shelley's nonviolence in protest and political action. In particular, it is known that Gandhi would often quote Shelley's Masque of Anarchy to vast audiences during the campaign for a free India.

paragraph_text: Ivar Tingdahl (21 December 1893 – 9 February 1962) was a Swedish fencer. He competed at the 1928 and 1936 Summer Olympics.

paragraph_text: Styrbjörn Holm (14 February 1928 – 20 January 1994) was a Swedish sailor who competed in the 1964 Summer Olympics.

paragraph_text: The Duty to Remain Silent (German: Die Pflicht zu schweigen) is a 1928 German silent drama film directed by Carl Wilhelm and starring Marcella Albani, Vivian Gibson, Angelo Ferrari. It was based on a novel by Friedrich Werner van Oestéren. The film's art direction was by Max Heilbronner. It premiered on 8 February 1928.

paragraph_text: The Schorrsiegel Affair (German: Die Sache mit Schorrsiegel) is a 1928 German silent film directed by Jaap Speyer that featured Bernhard Goetzke, Walter Rilla and Anita Dorris. It was adapted from a novel by Fred Andreas. The film's art direction was by Hans Jacoby.

paragraph_text: Docks of Hamburg or The Carmen of St. Pauli (German: Die Carmen von St. Pauli) is a 1928 German silent drama film directed by Erich Waschneck and starring Jenny Jugo, Willy Fritsch and Fritz Rasp. It was made by UFA at their Babelsberg Studio with location shooting in Hamburg. Art direction was by Alfred Junge. The film was released in the United States in 1930.

paragraph_text: Simon Vinkenoog (18 July 1928 – 12 July 2009) was a Dutch poet, spoken word poet and writer. He was the editor of the anthology "Atonaal" (Atonal), which launched the Dutch "Fifties Movement".

paragraph_text: "The Old Man" is the 58th episode of the American television sitcom "Seinfeld". It was the 17th episode of the 4th season. It aired on February 17, 1993.

paragraph_text: National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrashekhara Venkata Raman on 28 February 1928.

paragraph_text: Olaf L. Olsen (February 1, 1881 in Trysil, Norway – February 6, 1958 in Seattle) was a Republican member of the Washington House of Representatives who represented the 4th District (parts of Spokane County) from 1917 until his resignation in May 1925.

Question: When did the person who launched the Bardoli Satyagraha on 4th february 1928 die?
Answer: 15 December 1950