Abrahão De Moraes (1916–1970) was a Brazilian astronomer and mathematician. He taught at the Escola Politécnica and also served as director of the Instituto Astronômico e Geofísico. The Observatório Abrahão de Moraes (OAM) is named after him. Founded in 1972, it is situated in the municipality of Valinhos, 90 km from São Paulo. The crater De Moraes on the Moon is named after him. Sources Observatório Abrahão de Moraes 1916 births 1970 deaths Brazilian astronomers 20th-century astronomers