Complex sentence: Through an adult class at a Methodist church learned of the "Casa de Todos" clinic in Tijuana in about 1960 where he was able to save the lives of two children during a period he volunteered one day a week.
Split into simpler sentences: Through an adult class at a Methodist church learned of the "Casa de Todos" clinic in Tijuana in about 1960. There he was able to save the lives of two children during a period he volunteered one day a week.