Federico Mayor Zaragoza (1934 in Barcelona) is a Spanish scholar and politician. He served as Director-General of UNESCO from 1987 to 1999. Mayor obtained a doctorate in pharmacy from the Complutense University of Madrid in 1958. In 1963 he became professor of biochemistry at the School of Pharmacy of the University of Granada, and in 1968 was elected rector of that university, a post he held until 1972. The following year he was appointed professor in biochemistry at the Community of Madrid. In 1974 he co-founded the Severo Ochoa Centre of Molecular Biology at the Autonomous University of Madrid and of the High Council for Scientific Research.