Ernst Öpik
Ernst Julius Öpik was an Estonian astronomer and astrophysicist who spent the second half of his career (1948–1981) at the Armagh Observatory in Northern Ireland. He is best known for his pioneering work on solar system dynamics.
22 October 1893
Born on the same birth date (22 October 1893): Luis Otero (footballer)
Born on the same birth day (22 October): Allan Hendrickse • Dražen Petrović • Franz Liszt • Horacio Agulla • Joachim Jungius • Julie Dash • Kyle Gallner • Liliana Mercado • Marc Shaiman • Park Ha-sun • Sarah Barrow • Sheila Sherwood
Born in the same month (October 1893): Carol II of Romania • Charley Chase • Christopher Kelk Ingold • Clarence Williams (musician) • Cliff Friend • George Ohsawa • Ip Man • Kurt Reidemeister • Leroy Shield • Lillian Gish • Lois Lenski • Meghnad Saha • Miloš Crnjanski • Velvalee Dickinson