23 – John G. Jacobson, American businessman and politician (b. 1869) May 25 – Ernest Monis, 56th Prime Minister of France (b. 1846) June June 5 Adolph Coors, German-American brewer (b. 1847) Sir Cecil Burney, British admiral of the fleet (b. 1858) June 8 – Bliss Carman, Canadian poet (b. 1861) June 11 – William D. Boyce, American entrepreneur, founder of the Boy Scouts of America (b. 1858) June 16 – Bramwell Booth, General of The Salvation Army (b. 1856) June 21 – Leonard Hobhouse, British political theorist, sociologist (b. 1864) June 24 – Queenie Newall, British Olympic archer (b. 1854) June 26 – Amandus Adamson, Estonian sculptor (b. 1855) June 28 – Edward Carpenter, English poet (b. 1844) July July 2 – Gladys Brockwell, American actress (b. 1893) July 3 – Dustin Farnum, American actor (b. 1874) July 11 – Ali Ahmad Khan, Afghan politician, emir (b. 1883) July 12 – Robert Henri, American painter (b. 1865) July 15 – Hugo von Hofmannsthal, Austrian writer (b. 1874) August August – Mary MacLane, Canadian feminist writer (b. 1881) August 3 Emile Berliner, German-born inventor (b. 1851) Thorstein Veblen, Norwegian-American economist (b. 1857) August 4 – Carl Auer von Welsbach, Austrian chemist and inventor (b. 1858) August 5 – Dame Millicent Fawcett, British suffragist, feminist (b. 1847) August 9 – Pierre Fatou, French mathematician (b. 1878) August 10 – Aletta Jacobs, Dutch physician and women's suffrage activist (b. 1854) August 13 – Sir Ray Lankester, British zoologist (b. 1847) August 14 – Henry Horne, 1st Baron Horne, British general (b. 1861) August 19 – Sergei Diaghilev, Russian ballet impresario (b. 1872) August 22 – Otto Liman von Sanders, German general (b. 1855) August 26 – Sir Ernest Satow, British diplomat, scholar (b. 1843) August 27 – Herman Potočnik, Slovenian rocket engineer (b. 1892) September September 2 – Paul Leni, German filmmaker (b. 1885) September 12 – Rainis, Latvian poet, playwright (b. 1865) September 23 – Richard Adolf Zsigmondy, Austrian-born chemist, Nobel Prize laureate (b. 1865) September 24 – Mahidol Adulyadej, Thai doctor, father of King Rama IX (b. 1892) September 25 – Miller Huggins, American baseball manager, MLB Hall of Famer (b. 1879) September 27 – Johnny Hill, British, European, and World flyweight boxing champion (b. 1905) September 29 – Tanaka Giichi, 26th Prime Minister of Japan (b. 1864) October October 1 – Antoine Bourdelle, French sculptor (b. 1861) October 3