Fernández de Córdoba, Peruvian diplomat and politician, 52nd Prime Minister of Peru (b. 1844) Émile Faguet, French writer and critic (b. 1847) June 12 – Silvanus P. Thompson, English professor of physics, electrical engineer, member of the Royal Society and author (b. 1851) June 17 – Edwin Monroe Bacon, English writer (b. 1844) June 18 Max Immelmann, German fighter ace (killed in action) (b. 1890) Helmuth von Moltke the Younger, German general (b. 1848) June 22 – Tanaka Yoshio, Japanese naturalist (b. 1838) June 24 – Victor Chapman, French-born American fighter pilot (killed in action) (b. 1890) June 25 – Thomas Eakins, American realist painter (b. 1844) June 30 Russell Barton, British-born Australian politician (b. 1830) Eunice Eloisae Gibbs Allyn, American correspondent, author, and songwriter (b. 1847) July July 1 – First Day on the Somme (killed in action) Eugene Bourdon, French architect (b. 1870) Gilbert Waterhouse, English architect and war poet (b. 1883) July 2 – Mikhail Pomortsev, Russian meteorologist (b. 1851) July 3 Hetty Green, American businesswoman (b. 1834) Alfred Kleiner, Swiss physicist (b. 1849) Jeremiah Lomnytskyj, Ukrainian Basilian priest, missionary and servant of God (b. 1860) July 6 – Odilon Redon, French painter (b. 1840) July 7 – Margarethe Hormuth-Kallmorgen, German painter (b. 1835) July 12 – Cesare Battisti, Italian patriot, geographer and politician (b. 1875) July 15 – Élie Metchnikoff, Russian microbiologist, recipient of the Nobel Prize in Physiology or Medicine (b. 1845) July 16 Regino Garcia, Filipino artist (b. 1840) Sir Victor Horsley, English physician and surgeon (b. 1857) July 20 – Reinhard Sorge, German dramatist and poet (killed in action) (b. 1892) July 22 – James Whitcomb Riley, American poet (b. 1849) July 23 – Sir William Ramsay, British chemist, Nobel Prize laureate (b. 1852) July 26 Gustave Maria Blanche, French Roman Catholic priest and bishop (b. 1849) Johannes Ranke, German physiologist (b. 1836) July 27 Arthur Winton Brown, New Zealander politician, Mayor of Wellington (b. 1856) Charles Fryatt, British mariner (executed) (b. 1872) July 29 – Claude Castleton, Australian VC recipient (killed in action) (b. 1893) August August 3 – Roger Casement, Irish nationalist (executed) (b. 1864) August 5 – George Butterworth, English composer (b. 1885) August 7 – Kittredge Haskins, American lawyer and politician, U.S. House of Representatives from Vermont (b. 1836) August 8 Lily Braun, German writer (b. 1865) Kamimura Hikonojō, Japanese admiral (b. 1849) Oscar Linkson, English football player (b.