Who is Catholic?

Have you ever wondered who is or was Catholic?

The Catholic church has many notable persons of the past, present -- and with you --future! 


Catholic Scientists
Nicholas Copernicus

Nicolaus Copernicus correctly identified that Terra (the earth) is one of the planets orbiting Sol (the sun). Only the moon orbits Earth. Copernicus also shows the planets in the correct order.

René Descartes

Cogito ergo sum. (I think; therefore I am.)

A philosopher, mathematician, and scientist. Dubbed the father of modern western philosophy, much of subsequent Western philosophy is a response to his writings.

Sr. Mary Kenneth Keller

A religious sister, educator and pioneer in computer science. She was the first woman to earn a Ph.D. in computer science in the United States and helped develop BASIC.


Georges Lemaître

A Belgian Catholic Priest, astronomer and professor of physics at the Catholic University of Leuven. Known as the father of the Big Bang Theory.


Gregor Mendel

Gregor Mendel, known as the "father of modern genetics," was born in Austria in 1822. A monk, Mendel discovered the basic principles of heredity through experiments in his monastery's garden.


Blaise Pascal

A French mathematician, physicist, inventor, writer and Catholic theologian. Best known as the inventor of the first calculator, contributing Pascal's triangle and probability theory.


Louis Pasteur

Louis Pasteur was able to prove that every disease was caused by a different germs. He identified the microbes that caused tuberculosis in 1882 and cholera in 1883.