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Alexander Grothendieck

Discussion in 'WWII Era Obituaries (non-military service)' started by GRW, Nov 16, 2014.

  1. GRW

    GRW Pillboxologist WW2|ORG Editor

    Oct 26, 2003
    Likes Received:
    Stirling, Scotland
    "Alexander Grothendieck was a mathematician whose brilliant mind electrified his discipline in the 1950s and 1960s, earning him the equivalent of the Nobel Prize in his field.

    He later disappeared into a mysterious life of self-imposed isolation. He Grothendieck emerged from a life of exile during the Second World War to become one of the most important mathematical thinkers of the 20th century. His contributions to mathematics were often likened to those of Albert Einstein in physics.
    His nominal specialty was algebraic geometry, which combines elements of both mathematical disciplines, but Grothendieck used his remarkable capacity for abstract thinking to make advances across the entire spectrum of mathematics. He developed unifying concepts that could be applied to a variety of avenues of mathematical thought, including number theory, category theory, functional ANALYSIS[​IMG] and topology.
    In 1966, Grothendieck was awarded the Fields Medal, the highest honour in mathematics. Two of his major publications, Elements of Algebraic Geometry and Fundamentals of Algebraic Geometry, are so essential to mathematicians that they are known by their initials in French, EGA and FGA. “He was one of the giants of mathematics, who transformed mathematics entirely with his work,” Cedric Villani, who won the Fields Medal in 2010, said.
    As a student, Grothendieck once recalled, he was taught how to calculate the volume of a sphere and other geometric shapes, but he sought a deeper understanding: the definition of volume itself. When he embarked on his career, he didn’t concentrate on solving age-old puzzles so much as on developing new, simplified approaches to mathematical investigation. Other scholars came to apply Grothendieck’s theoretical frameworks to such fields as computer programming, SOFTWARE DEVELOPMENT[​IMG], satellite communications, classification systems and the study of biological data.
    His ideas were instrumental in solving one of the enduring conundrums of mathematics, Fermat’s Last Theorem. In 1637, Pierre de Fermat had jotted a mathematical notation in the margin of a book, but its proof had baffled the world’s greatest mathematicians for more than three centuries.Then in 1995, the British mathematician Andrew Wiles published a proof. He arrived at his solution using the principles of algebraic geometry, the field that Grothendieck had redefined to its foundations.
    The circumstances of Grothendieck’s birth and childhood are in some doubt, shrouded by the dramas unfolding throughout Europe in the early 20th century. His father was a Russian-born Jewish anarchist named Alexander Schapiro or possibly Morris Shapiro, who may have been imprisoned for attempting to assassinate the czar. According to different accounts, he was either freed from prison by the Bolsheviks or was arrested by Bolsheviks during the Russian Revolution. Somehow he MANAGED[​IMG] to escape from Russia despite losing an arm.
    He turned up in Berlin in the 1920s as a photographer using the name Alexander Tanaroff. He fell in love with a married woman named Johanna “Hanka” Grothendieck and told her husband, “I will steal your wife.” Their illegitimate son was born in Berlin in 1928. His name at birth was Alexander Raddatz, the name of Johanna’s husband at the time. The child’s parents later married, but as the Nazi regime took over Germany in 1933, they fled to France.
    Young Alexander, however, stayed behind with friends in Hamburg, Germany, until 1939, when he was reunited with his parents in Paris. His father was arrested and sent to the Auschwitz concentration camp, where he died in 1942. Grothendieck took his mother’s maiden name and lived in various relocation camps until the end of the war."

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