Background
MARTÍNEZ COSÍO, Leopoldo was born on December 29, 1901 in Querétaro, Qro., Mexico.
MARTÍNEZ COSÍO, Leopoldo was born on December 29, 1901 in Querétaro, Qro., Mexico.
Officer, department, of justice, 1927, in Querétaro, 1931. Attorney general, states of Nayarit, 1930, Querétaro, 1931. Magistrate, upper tribunal? state of Querétaro, 1932.
Historian, Musco Nacional, 1935. Director, Colegio Civil, Querétaro. Professor., University Nacional de México.
Member Academy Mexicana de la Historia, Academy Mexicana de Heráldica y Genealogía, Society de Geografía y Estadística. Bachelor of Laws, Escuela Libre de Derecho, 1924. I; professor., University Nacional de México.
Member Academy Mexicana de la Historia, Academy Mexicana de Heráldica y Genealogía, Society de Geografía y Estadística.