English writer (b. 1887) January 18 – Konstantin Päts, 1st President of Estonia (b. 1874) January 23 – Sir Alexander Korda, Hungarian-born film director (b. 1893) January 27 – Erich Kleiber, German conductor (b. 1890) January 29 – H. L. Mencken, American writer (b. 1880) January 31 – A. A. Milne, English author (Winnie The Pooh) (b. 1882) February February 2 Bob Burns, American comedian (b. 1890) Charley Grapewin, American actor (b. 1869) February 3 – Robert Yerkes, American psychologist and ethologist (b. 1876) February 8 – Connie Mack, American baseball executive and manager (Philadelphia Athletics) and a member of the MLB Hall of Fame (b. 1862) February 10 – Hugh Trenchard, 1st Viscount Trenchard, British marshal of the Royal Air Force (b. 1873) February 13 – Jan Łukasiewicz, Polish logician and philosopher (b. 1878) February 14 – Sir Walter Cowan, British admiral (b. 1871) February 18 – Gustave Charpentier, French composer (b. 1860) February 20 Heinrich Barkhausen, German physicist (b. 1881) James Cousins, Irish writer (b. 1873) February 26 – Elsie Janis, American singer and actress (b. 1889) February 28 – Frigyes Riesz, Hungarian mathematician (b. 1880) February 29 – Elpidio Quirino, 6th President of the Philippines (b. 1890) March March 9 – Arthur Leopold Busch, English-born American submarine pioneer (b. 1866) March 12 – Bolesław Bierut, Polish Communist politician and statesman, former Prime Minister and President of Poland (b. 1892) March 14 – David Browning, American Olympic diver (b. 1931) March 17 Fred Allen, American comedian (b. 1894) Irène Joliot-Curie, French physicist, recipient of the Nobel Prize in Chemistry (b. 1897) March 18 Louis Bromfield, American writer (b. 1896) Paul Masson-Oursel, French orientalist and philosopher (b. 1882) March 20 Fanny Durack, Australian swimmer (b. 1889) Wilhelm Miklas, 3rd President of Austria (b. 1872) March 21 – Edwin Thanhouser, American actor, businessman, and film producer, founder of the Thanhouser Company (b. 1865) March 22 Eduardo Lonardi, Argentine military officer, (de facto) 30th President of Argentina (b. 1896) George Sarton, Belgian-American chemist and historian (b. 1884) March 25 Lou Moore, American racing driver and team owner (b. 1904) Robert Newton, English film actor (b. 1905) March 28 – Thomas de Hartmann, Russian composer (b. 1885) March 30 – Edmund Clerihew Bentley, English writer (b. 1875) March 31 – Ralph DePalma, Italian-born American race car driver (b. 1884) April April 6 – Pío Valenzuela, Filipino physician and one of the leaders