1895-1970. Mexican centre-left politician and general, president 1934-40. A civil servant in early life, Cardenas took part in the revolutionary campaigns 1915-29 that followed the fall of President Diaz (1830-1915). As president of the republic, he attempted to achieve the goals of the revolution by building schools, distributing land to the peasants, and developing transport and industry. He was minister of defence 1943-45.