Santiago López de Medrano Santiago López de Medrano Santiago López de Medrano Sánchez (born October 15, 1942 in Mexico City) is a Mexican mathematician, who works as a researcher at the National Autonomous University of Mexico (UNAM). His research has concerned knot theory, singularity theory, biomathematics, and differential topology. López de Medrano did his undergraduate studies at UNAM, and earned his Ph.D. from Princeton University in 1969, under the supervision of William Browder. He returned to UNAM as a researcher and professor in 1968, and was president of the Mexican Mathematical Society from 1969 to 1973. López de Medrano presented his work on knot
Xavier Cortés Rocha Xavier Cortés Rocha Xavier Cortés Rocha is a Mexican architect and urban planner. He was also rector of the Universidad Nacional Autónoma de México (UNAM) for a short time. He was born in Tampico. Cortés graduated in architecture and later in urban planning at the Escuela Nacional de Arquitectura of the UNAM. He continued his studies in Paris. After 1968 he taught at the UNAM. In 1999 he became Secretary General of the UNAM, and was interims UNAM president from 12 to 17 of November 1999. From 2001 to 2009 he was director of "Sitios y Monumentos del Patrimonio Cultural"