births

Frank Schlesinger, American astronomer and author (died 1943)

Historical image related to Frank Schlesinger, American astronomer and author (died 1943) from May 11, 1871

Frank Schlesinger

American astronomer

Frank Schlesinger was an American astronomer. His work concentrated on using photographic plates rather than direct visual studies for astronomical research.
Source: Wikipedia (CC BY-SA)

May 11

Day of the year

May 11 is the 131st day of the year in the Gregorian calendar; 234 days remain until the end of the year.
Source: Wikipedia (CC BY-SA)