David Galván Bermúdez was a Mexican Catholic priest and philosopher born in Guadalajara in 1881. After working in his father's shoe shop, he pursued religious studies at the Saint Joseph of Guadalajara Seminary. He served as a teacher of Latin, sociology, and natural law before being ordained in 1909. Throughout his ministry, he supported the impoverished and served as a chaplain for local hospitals and orphanages. He was killed in 1915 during the period of conflict known as the Cristero War.