Baron Loránd Eötvös de Vásárosnamény, also called Baron Roland von Eötvös in English literature, was a Hungarian physicist. He is remembered today largely for his work on gravitation and surface tension, and the invention of the torsion pendulum. Wikipedia
Born: July 27, 1848, Buda
Died: April 8, 1919 (age 70 years), Józsefváros, Budapest, Hungary
Education: Heidelberg University (1870)
Parents: József Eötvös and Agnes Rosty de Barkócz
Children: Rolanda Mária Eötvös, Ilona Eötvös, and Jolán Eötvös
Spouse: Gizella Horvát (m. 1875–1919)
Known for: Eötvös effect; Eötvös experiment; Eötvös number; Eötvös rule