If the Catholic Church were opposed to science, we would expect to find no or very few Catholic scientists, no sponsorship of scientific research by Catholic institutions, and an explicit distrust of reason in general and scientific reasoning in particular taught in official Catholic teaching. In fact, we find none of these things.
Historically, Catholics are numbered among the most important scientists of all time, including Rene Descartes, who discovered analytic geometry and the laws of refraction; Blaise Pascal, inventor of the adding machine, hydraulic press, and the mathematical theory of probabilities; Augustinian priest Gregor Mendel, who founded modern genetics; Louis Pasteur, founder of microbiology and creator of the first vaccine for rabies and anthrax; and cleric Nicolaus Copernicus, who first developed scientifically the view that the earth rotated around the sun. Jesuit priests in particular have a long history of scientific achievement; they
contributed to the development of pendulum clocks, pantographs, barometers, reflecting telescopes and microscopes, to scientific fields as various as magnetism, optics and electricity. They observed, in some cases before anyone else, the colored bands on Jupiter's surface, the Andromeda nebula and Saturn's rings. They theorized about the circulation of the blood (independently of Harvey), the theoretical possibility of flight, the way the moon affected the tides, and the wave-like nature of light. Star maps of the southern hemisphere, symbolic logic, flood-control measures on the Po and Adige rivers, introducing plus and minus signs into Italian mathematics — all were typical Jesuit achievements, and scientists as influential as Fermat, Huygens, Leibniz and Newton were not alone in counting Jesuits among their most prized correspondents. [1]
The scientist credited with proposing in the 1930s what came to be known as the "Big Bang theory" of the origin of the universe was Georges Lemaitre, a Belgian physicist and Roman Catholic priest. Alexander Fleming, the inventor of penicillin, shared his faith. More recently, Catholics constitute a good number of Nobel Laureates in Physics, Medicine, and Physiology, including Erwin Schrodinger, John Eccles, and Alexis Carrel. How can the achievements of so many Catholics in science be reconciled with the idea that the Catholic Church opposes scientific knowledge and progress?
One might try to explain such distinguished Catholic scientists as rare individuals who dared to rebel against the institutional Church, which opposes science. However, the Catholic Church as an institution funds, sponsors, and supports scientific research in the Pontifical Academy of Science and in the departments of science found in every Catholic university across the world, including those governed by Roman Catholic bishops, such as The Catholic University of America. This financial and institutional support of science by the Church began at the very birth of science in seventeenth-century Europe and continues today. Even Church buildings themselves were not only used for religious purposes but designed in part to foster scientific knowledge. As Thomas Woods notes:
Cathedrals in Bologna, Florence, Paris, and Rome were designed in the seventeenth and eighteenth centuries to function as world-class solar observatories. Nowhere in the world were there more precise instruments for the study of the sun. Each such cathedral contained holes through which sunlight could enter and time lines (or meridian lines) on the floor. It was by observing the path traced out by the sunlight on these lines that researchers could obtain accurate measurements of time and predict equinoxes. [2]
In the words of J. L. Heilbron of the University of California, Berkeley, the "Roman Catholic Church gave more financial aid and social support to the study of astronomy over six centuries, from the recovery of ancient learning during the late Middle Ages into the Enlightenment, than any other, and probably, all other institutions." [3] This financial and social support extended also to other branches of scientific inquiry.
Such support is not only consistent with official Catholic teaching but is enthusiastically endorsed. On the Church's view, science and faith are complementary to each other and mutually beneficial. In 1988, Pope John Paul II addressed a letter to the Director of the Vatican Astronomical Observatory, noting, "Science can purify religion from error and superstition; religion can purify science from idolatry and false absolutes. Each can draw the other into a wider world, a world in which both can flourish." [4] As Nobel Laureate Joseph Murray notes, "Is the Church inimical to science? Growing up as a Catholic and a scientist — I don't see it. One truth is revealed truth, the other is scientific truth. If you really believe that creation is good, there can be no harm in studying science. The more we learn about creation — the way it emerged — it just adds to the glory of God. Personally, I've never seen a conflict." [5] In order to understand the complementary of faith and science, indeed faith and reason more broadly, it is important to consider their relationship in greater depth.
