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John Desmond Bernal FRS (born 10 May 1901, died 15 September 1971) was an Irish-born scientist known for pioneering X-ray crystallography.
CareerHe was born in Nenagh, County Tipperary, Ireland[2]. He was educated at Bedford School near London, and then at Emmanuel College, Cambridge University[2]. At Cambridge he studied both mathematics and science for a BA degree in 1922, which he followed by another year of natural sciences. He taught himself the theory of space groups, including the quaternion method; this became the mathematical basis of later work on crystal structure. Also at Cambridge he became known as "Sage", a nickname given to him by a girl working in Ogden's Bookshop at the corner of Bridge Street in about 1920[1]. After graduating he started research under Sir William Bragg at the Davy-Faraday Laboratory in London. In 1924 he determined the structure of graphite[2]. While at Cambridge he worked on the structure of vitamin B1 (1933), pepsin (1934), vitamin D2 (1935), the sterols (1936), and the tobacco mosaic virus (1937). It was in his research group in Cambridge that Dorothy Hodgkin started her research. Together, in 1934, they took the first X-ray photographs of hydrated protein crystals. Other prominent scientists who studied with him include Rosalind Franklin, Aaron Klug and Max Perutz. In 1937 he became Professor of Physics at Birkbeck College, University of London, and later Master. Political activismBernal was a public intellectual, very prominent in political life, particularly in the 1930s after having left the Communist Party of Great Britain in 1933[1]. According to biographer Maurice Goldsmith[1], he did not so much withdraw from the CPGB, but lost his card and did not renew it. He had joined in 1923[1]. He attended the famous 1931 meeting on History of Science, where he met the Soviets Nikolai Bukharin and Boris Hessen, who gave an influential Marxist account of the work of Isaac Newton. This meeting fundamentally changed his world-view. In 1939, he published The Social Function of Science, probably the earliest text on the sociology of science. He was chairman of the World Peace Council from 1959 until 1965. On 20 September 1949 the Evening Star newspaper of Ipswich published an interview with Bernal in which he endorsed the "proletarian science" of Trofim Lysenko[1]. The Lysenko affair had erupted in August 1948 when Stalin authorised a bogus theory of plant genetics, championed by Lysenko, as official Soviet orthodoxy. It fatally damaged both Bernal and the whole British scientific left. The exile and persecution of Russian scientists who refused to toe Stalin’s party line resulted in the severance of relations between the British Royal Society and the Soviet Academy of Sciences in November 1948. In 1949 he was refused a visa for a US visit and in the same year he was stripped of his membership of the British Association for the Advancement of Science at a meeting on 4 November 1949[1](pp 182 et seq). Membership of UK radical science groups quickly declined. Unlike some of his socialist colleagues, Bernal defended the Soviet position on Lysenko and refused publicly to accept the fissures the dispute revealed between natural science and dialectical Marxism[1](pp 189 et seq). Throughout the 1950s, Bernal maintained this faith in the Soviet Union as a vehicle for the creation of a socialist scientific utopia. He was awarded the Lenin Peace Prize in 1953[3]. War workHe was a joint inventor of the Mulberry Harbour. After helping orchestrate D-Day, Bernal landed on Normandy on D-Day + 1. It was said that a letter of his went astray in early 1944, and this nearly led to the postponement of D-Day. (Source: film account by his younger colleague at Birkbeck College, Professor Alan Mackay FRS, who quoted Bernal on this fact). His extensive knowledge of the area stemmed from a combination of research in English libraries and personal experience having visited the area on previous holidays. The Navy had temporarily assigned him the rank of commander such that he wouldn't stand out as a civilian amongst the invasion forces. However, the members of his unit were less than convinced as he directed a vehicle using the terms "left" and "right" instead of "port" and "starboard." He is also famous for having firstly proposed in 1929 the so-called Bernal sphere, a type of space habitat intended as a long-term home for permanent residents. FamilyHis family was of mixed Italian and Spanish/Portuguese [4]Sephardic Jewish origin on his father's side (his grandfather Jacob Genese, properly Ginesi having adopted the family name Bernal of his paternal grandmother around 1837) ,[5] though his father Samuel was a Catholic; his mother, nee Elizabeth Miller, was an American Catholic convert, a graduate of Stanford University and a journalist. Martin Bernal, author of Black Athena, is his son with Margaret Gardiner[6][7]. Gardiner always referred to herself as "Mrs Bernal". He had three other children, two with Agnes Eileen Sprague, a secretary, and one with Margot Heinemann. His only marriage was to Sprague whom he married on 21 June 1922, the day after being awarded his BA degree. Bernal was 21, Sprague 23[1]. He also had a long term professional and, intermittently, intimate relationship with Dorothy Hodgkin whose scientific research work he mentored. Trivia: A fictional portrait of him appears in the novel The Search, an early work of his friend C. P. Snow, and another ("Tengal") in The Holiday by Stevie Smith. Works
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