1920s missing person cases

Norwegian explorer; first person to reach the South Pole (1872–1928)

English mountaineer (1886-1924)

British explorer, anthropologist and archaeologist (1867–1925)

English mountaineer (1902–1924)

Russian-born adventurer and secret agent (1873–1925)

French flying ace and adventurer (1892-1927)

Canadian-American evangelist and media celebrity (1890-1944)

Portuguese aviation pioneer

Belgian aviator, businessman, soldier, sportsman (1877-1928)

French aviator (1881-1927)

British actress and aviator (1893-1928)

Norwegian aviator (1890–1928)

French photographer (1905–1969)

Norwegian naval officer (1895–1927)

German dancer and actress

Russian proto-fascist politician (1855-1921)

United States Army Medal of Honor recipient (1884-1921)

five-masted commercial schooner

British silent film actor with unexplained disappearance

American aviator

British WWI flying ace

British politician

train driver and political activist in the German empire

Australian politician

American murder victim (1896–1925)

Romanian philosopher, essayist, and concert pianist

American aviator (1895–1927)

Russian White émigré