Constantine I of Greece 1868–1923 Source: Wikimedia Commons About Constantine I of Greece King of Greece (r. 1913–17; 1920–22) People from the Same Era Alice Hathaway Lee Roosevelt 1861–1884 socialite Chestnut Hill Gilbert John Fowler 1868–1953 chemist Paris Juliane Hammer 1861–1895 painter Copenhagen Harriet Quimby 1875–1912 aircraft pilot, journalist, screenwriter Arcadia Percy Pilcher 1866–1899 aircraft pilot, glider pilot, inventor Bath Marija Pilepić 1871–1962 Esperantist