James Chadwick: Neutron & MAUD

James Chadwick

British experimental physicist. He discovered the neutron, which constitutes the atomic nucleus, in 1932 and was awarded the Nobel Prize in Physics in 1935. He conducted research under Ernest Rutherford at the University of Manchester and the University of Cambridge, and served as a professor at the University of Liverpool from 1935. During World War II, he participated in Tube Alloys, the British atomic bomb research program, drafted the final MAUD Report, and cooperated with the development of nuclear weapons in the United States as the head of the British Mission to the Manhattan Project. After the war, he served as Master of Gonville and Caius College, Cambridge.

Timeline

Category
Element

Year	James Chadwick
1891	Birth of James Chadwick (Period: October 20, 1891, Location: Bollington, Cheshire, England)
1908	Start of Research at the University of Manchester (Age: 16 years old, Period: 1908–1913, Location: Manchester, England)
1913	Beta Ray Research in Germany (Age: 21 years old, Period: 1913–1914, Location: Berlin, Germany)
1914	World War I (Age: 22 years old, Period: 1914–1918, Location: Western Front, Belgium and France) Outbreak of World War I and Internment in Ruhleben (Age: 22 years old, Period: 1914–1918, Location: Berlin-Lichterfelde (Ruhleben), Germany)
1920	Nuclear Research at the Cavendish Laboratory (Age: 28 years old, Period: 1920s–1935, Location: Cambridge, England)
1921	Doctorate at the University of Cambridge (James Chadwick, Age: 29 years old, Period: 1921, Location: Cambridge, England)
1925	Marriage (James Chadwick, Aileen Maud Stewart-Brown, Age: 33 years old, Period: August 11, 1925, Location: St Anne's Church, Aigburth, Liverpool)
1935	Nobel Prize in Physics (James Chadwick, Age: 43 years old, Period: 1935, Location: Stockholm, Sweden) Construction of Cyclotron at the University of Liverpool (Age: 43 years old, Period: 1935–1939, Location: Liverpool, England)
1939	World War II (Age: 47 years old, Period: 1939–1945, Location: UK, France, North Africa, Mediterranean, Atlantic, etc.) Participation in the Tube Alloys Project (Age: 47 years old, Period: 1939–1943, Location: Liverpool and surrounding region, England)
1940	Liverpool Air Raid and Nuclear Research (Age: 48 years old, Period: 1940–1941, Location: Liverpool, England) MAUD Report (Age: 48 years old, Period: 1940–1941, Location: United Kingdom)
1943	Quebec Agreement and British Participation in the Manhattan Project (Age: 51 years old, Period: 1943–1945, Location: Quebec, Canada; United States, particularly Washington, D.C., Oak Ridge, Los Alamos) Participation in the Manhattan Project (Age: 51 years old, Period: 1943–1945, Location: Washington, D.C., Oak Ridge, Los Alamos, and other locations in the United States)
1945	Knighthood (Francis Bacon, Age: 53 years old, Period: January 1, 1945, Location: United Kingdom) Activities in the UN Atomic Energy Commission (Age: 53 years old, Period: 1945–1946 (approx.), Location: New York, United States) Trinity Nuclear Test (Age: 53 years old, Period: July 16, 1945, Location: New Mexico, United States)
1948	Appointment as Master of Gonville and Caius College (James Chadwick, Age: 56 years old, Period: 1948–1959, Location: Cambridge, England)
1974	Death of James Chadwick (Age: 82 years old, Period: July 24, 1974)

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Group	List
British Politics	David Lloyd George Winston Churchill Stanley Baldwin Neville Chamberlain Clement Attlee Anthony Eden Edward Wood Ernest Bevin
French Politics	Georges Clemenceau Charles de Gaulle Paul Reynaud Édouard Daladier Léon Blum Philippe Pétain Maxime Weygand Maurice Gamelin
Jewish relief	Anne Frank Etty Hillesum Edith Stein Raoul Wallenberg Aristides de Sousa Mendes Varian Fry Nicholas Winton Chiune Sugihara
Nuclear Science	Lise Meitner James Chadwick John Cockcroft Ernest Walton Patrick Blackett Mark Oliphant Otto Hahn Otto Robert Frisch

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James Chadwick: Neutron & MAUD

James Chadwick

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