found: Cortés Peralta, A. Vida y obra del doctor Ramón Pardo, 2015:p. 1 (born in the city of Oaxaca, Aug. 29, 1871, and was registered as Juan Ramón Pardo Galindo, but in all his documents, posts and writings, he only used the name Ramón Pardo; studied medicine in Mexico City, graduating in 1896) p. 5, etc. (known for the first use of spinal anesthesia in Mexico; politician at various levels of government and party organization, including federal deputy; director of Inst. de Ciencias y Artes del Estado, today Univ. Aut. Benito Juárez de Oaxaca, for various periods; author of play La conquista del sol; died Nov. 21, 1940, Mexico City)