of the Katipunan (b. 1869) April 13 – Emil Nolde, German-Danish painter (b. 1867) April 15 – Kathleen Howard, Canadian-born American actress and opera singer (b. 1884) April 19 – Ernst Robert Curtius, Alsatian philologist (b. 1886) April 21 Samuel Gottesman, American pulp-paper merchant (b. 1885) Charles MacArthur, American playwright and screenwriter (b. 1895) April 24 – Henry Stephenson, British character actor (b. 1871) April 26 – Edward Arnold, American actor (b. 1890) June 28 – Friedrich Schmidt-Ott, German lawyer, scientific organizer, and science policymaker (b. 1860) April 29 Harold Bride, English-born junior radio officer on RMS Titanic (b. 1890) Wilhelm Ritter von Leeb, German field marshal (b. 1876) April 30 – Alben W. Barkley, 35th Vice President of the United States (b. 1877) May May 3 Rodney Collin, British writer (b. 1909) Peter Watson, English art collector and benefactor (b. 1908) May 6 – Fergus Anderson, British motorcycle racer (b. 1909) May 12 – Louis Calhern, American actor (b. 1895) May 15 – Austin Osman Spare, English artist and occultist (b. 1886) May 18 – Maurice Tate, English cricketer (b. 1895) May 20 Max Beerbohm, English essayist, parodist and caricaturist (b. 1872) Zoltán Halmay, Hungarian Olympic swimmer (b. 1881) May 23 – Gustav Suits, Estonian poet (b. 1883) May 24 Guy Kibbee, American actor (b. 1882) Martha Annie Whiteley, English chemist and mathematician (b. 1866) May 26 – Al Simmons, American baseball player (Philadelphia Athletics) and a member of the MLB Hall of Fame (b. 1902) May 29 – Frank Beaurepaire, Australian Olympic swimmer (b. 1891) May 30 - George Murray Levick, British Antarctic explorer and naval surgeon (b. 1876) May 31 – Diedrich Hermann Westermann, German linguist (b. 1875) June June 2 – Jean Hersholt, Danish-born American actor (b. 1886) June 4 – Katherine MacDonald, American silent film actress (b. 1891) June 6 Hiram Bingham III, American explorer, discoverer of Machu Picchu (b. 1875) Margaret Wycherly, English stage and film actress (b. 1881) June 7 – Julien Benda, French philosopher and novelist (b. 1867) June 9 – Chandrashekhar Agashe, Indian industrialist (b. 1888) June 11 Frank Brangwyn, Anglo-Welsh artist (b. 1867) Ralph Morgan, American actor (b. 1883) June 17 Paul Rostock, German official, surgeon, and university professor (b. 1892) Artur Văitoianu, Romanian general and politician, 27th Prime Minister of Romania (b. 1864) June 19 – Thomas J. Watson, American computer pioneer (b. 1874) June 22 – Walter de