Georges Lemaître: Belgian Roman Catholic priest, honorary prelate, professor of physics and astronomer that discovered the big bang and wrote Hubbles Law.
Gregor Mendel: Moravian Augustinian priest and scientist often called the “father of modern genetics” for his study of the inheritance of traits in pea plants.
Nicolaus Copernicus: A Catholic cleric that said the earth rotated around the sun.
The Catholic Archbishop Isidore of Sevill (560 – 636) taught in his widely read encyclopedia, the Etymologies, that the Earth was round.
