Canadian recipient of Victoria Cross (killed in action) (b. 1894) April 25 – Frederick W. Seward, American politician (b. 1830) April 26 – John Bunny, American actor (b. 1863) April 27 William Barnard Rhodes-Moorhouse, English airman, first aviator awarded Victoria Cross (b. 1887) Alexander Scriabin, Russian composer (b. 1872) April 30 - Edward D. Easton, founder and president of Columbia Phonograph Company May May 7 – Alfred Gwynne Vanderbilt, American sportsman (b. 1877; died in the Sinking of the RMS Lusitania) May 9 François Faber, Luxembourgian cyclist (killed in action) (b. 1887) Anthony Wilding, New Zealand tennis player (killed in action) (b. 1883) May 18 – Sir William Bridges, Australian army general (b. 1861) May 24 – John Condon, Irish private soldier in British Army, claimed as youngest British soldier to die in WWI (killed in action) (b. 1896) May 26 Emil Lask, German philosopher (killed in action) (b. 1875) Julian Grenfell, English poet (killed in action) (b. 1888) May 30 – Marcelo Azcárraga Palmero, 3-time Prime Minister of Spain (b. 1832) May 31 – Victor Child Villiers, 7th Earl of Jersey, 18th Governor of New South Wales (b. 1845) June June 5 – Henri Gaudier-Brzeska, French artist and sculptor (killed in action) (b. 1891) June 7 – Charles Reed Bishop, American businessman, philanthropist in Hawaii (b. 1822) June 10 – Ignatius Maloyan, Armenian Eastern Catholic archbishop and blessed (b. 1869) June 13 – Zbigniew Dunin-Wasowicz, Polish military leader (killed in action) (b. 1882) June 19 – Benjamin F. Isherwood, American admiral, United States Navy Engineer-in-Chief (b. 1822) June 25 – Tok Janggut, Malayan rebel leader (killed in action) (b. 1853) July July 2 – Porfirio Díaz, 29th President of Mexico (b. 1830) July 6 – Lawrence Hargrave, Australian engineer (b. 1850) July 10 – Alice Bellvadore Sams Turner, American physician (b. 1859) July 16 – Ellen G. White, American prophetess, co-founder of the Seventh-day Adventist Church, most translated American author (b. 1827) July 18 – Ozra Amander Hadley, American politician (b. 1826) July 22 – Sir Sandford Fleming, Canadian engineer and inventor (b. 1827) July 25 – Virginie Amélie Avegno Gautreau, American-born French socialite, model for the painting Portrait of Madame X (b. 1859) July 30 – Charles Becker, American policeman and murderer (executed) (b. 1870) August August 10 – Henry Moseley, English physicist (killed in action) (b. 1887) August 16 – Kálmán Széll, 13th Prime Minister of Hungary