Complex sentence: José Villagrán García (22 September 1901--10 June 1982) was a Mexican architect known for developing several theories of modern architecture and designing the master plan for the National Autonomous University of Mexico.
Split into simpler sentences: José Villagrán García (22 September 1901--10 June 1982) was a Mexican architect. His is known for having developed several theories of modern architecture, and designing the master plan for the National Autonomous University of Mexico.