Known for Discovering modern genetics Gregor Johann Mendel ... was a Moravian[2] Augustinian priest and scientist often called the "father of modern genetics" for his study of the inheritance of traits in pea plants.
Galileo dismissed as a "useless fiction" the idea, held by his contemporary Johannes Kepler, that the moon caused the tides.[12]Galileo also refused to accept Kepler's elliptical orbits of the planets,[13] considering the circle the "perfect" shape for planetary orbits.
Galileo was not always right.