births
May 20, 1913
Carlos J. Gradin, Argentine Archaeologist (died 2002)
Carlos J. Gradin
Carlos Joaquín Gradin, also known as Carlos Gradín, was an Argentine surveyor and archaeologist. He carried out numerous studies in the Patagonian region, and is known for his extensive studies of Cueva de las Manos. He was a member of the National Scientific and Technical Research Council (CONICET).
May 20
May 20 is the 140th day of the year in the Gregorian calendar; 225 days remain until the end of the year.