Manuel Peimbert wife, fellow UNAM faculty member Silvia Torres, were the first non-US scientists to win the Hans Bethe Prize. Peimbert was elected an international member of the American Philosophical Society in 2002. Peimbert is the great-grandson of writer Justo Sierra. Manuel Peimbert Manuel Peimbert Sierra (born June 9, 1941) is a Mexican astronomer and a faculty member at the National Autonomous University of Mexico (UNAM). After earning an undergraduate physics degree from UNAM, Peimbert completed a doctorate at the University of California, Berkeley before returning to UNAM as a faculty member. He works at the UNAM Institute of Astronomy. Peimbert was
Unam sanctam Unam sanctam On 18 November 1302, Pope Boniface VIII issued the papal bull which historian Brian Tierney calls "...probably the most famous of all the documents on church and state that has down to us from the Middle Ages." The original document is lost, but a version of the text can be found in the registers of Boniface VIII in the Vatican Archives. The Bull lays down dogmatic propositions on the unity of the Catholic Church, the necessity of belonging to it for eternal salvation, the position of the Pope as supreme head of the Church, and the duty thence