Castle entered the senior class of Harvard University in 1892 and in 1893 took a second A.B. degree with honors.
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When the Eugenics Record Office was founded in 1912, he served as a member of its scientific advisory board, and in 1916 he was one of the 10 founders of the scientific journal Genetics.
William Shakespeare | Ernest Hemingway | William Laud | castle | William Blake | William | William III of England | Windsor Castle | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | William Penn | William Jennings Bryan | William Gibson | Castle | William Wilberforce | William James | William Makepeace Thackeray | Fort William | William Hanna |
In 1910, William Ernest Castle and C. C. Little reaffirmed Cuénot's discovery of a lethal gene by proving that a quarter of the offspring from crosses between heterozygotes died during embryonic development, due to failure to implant in the uterine lining.