S: (n) Bacon, Roger Bacon (English scientist and Franciscan monk who stressed the importance of experimentation; first showed that air is required for combustion and first used lenses to correct vision (1220-1292))
S: (n) Mendel, Gregor Mendel, Johann Mendel (Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics (1822-1884))
S: (n) Pelagius (a British or Irish monk who denied the doctrines of original sin and predestination and defended human goodness and free will; his views were declared heretical by the Council of Ephesus in 431 (circa 360-418))