Mariano Azuela (1873-1952) was a prominent Mexican author and physician, best known for his groundbreaking novel "The Underdogs" ("Los de Abajo"). Born in Lagos de Moreno, Jalisco, Azuela studied medicine in Guadalajara before becoming involved in the Mexican Revolution, which greatly influenced his literary work. His firsthand experiences as a field doctor during the conflict enriched his vivid portrayals of the struggles and disillusionments faced by the common people. Azuela's keen social awareness and commitment to realism established him as a pioneer of Mexican revolutionary literature, earning him recognition as one of the most influential writers in Latin American history.