1999 UNAM strike who signed a statement saying they could not afford the new rates. A group of students quickly organized a protest, on the grounds that thousands of students would have to see their studies interrupted unable to afford tuition. With the support of the community, UNAM was shut down temporarily by the protesters during part of February and also part of March 1999. Ultimately on April 20, 1999, this group referred to itself as the Comité General de Huelga (CGH or "Strike General Committee") and declared a continuing, if not permanent, closure of the university. In June 1999, the 132-member government
School of Chemistry, UNAM and textile manufacturing and some pharmaceutical industries. However, the harsh national and international context, derived from the mexican revolution movement and the World War I affected the availability of highly skilled personnel. Therefore, in January 1913, Juan Salvador Agraz presented an initiative to the mexican president Francisco I. Madero to create the School of Chemistry. On September 23, 1916, the mexican president Venustiano Carranza promulgated by government-decree the foundation of the National School of Industrial Chemistry (Escuela Nacional de Química Industrial, and later Escuela Nacional de Ciencias Químicas or National School of Chemical Sciences) in the town of Tacuba (north-west