President Gustavo Diaz Ordaz

Gustavo Díaz Ordaz Bolaños was a Mexican politician and member of the Institutional Revolutionary Party (PRI). He served as the President of Mexico from 1964 to 1970.

Díaz Ordaz obtained a law degree from the University of Puebla in 1937 where he later became its vice-rector. He represented Puebla's 1st district in the Chamber of Deputies from 1943 to 1946. Subsequently he represented the same state in the Chamber of Senators from 1946 to 1952 becoming closely acquainted with then-senator Adolfo López Mateos.

Díaz Ordaz joined the campaign of Adolfo Ruiz Cortines for the 1952 election and subsequently worked for the Secretariat of the Interior under Ángel Carvajal Bernal. He became the secretary following López Mateos' victory in the 1958 election, and exercised de facto executive power during the absences of the president, particularly during the Cuban Missile Crisis. In 1963, the PRI announced him as the presidential candidate for the 1964 election, he received 88.81% of the popular vote.