James Clerk Maxwell
James Clerk Maxwell
James Clerk Maxwell (1831–1879) was a Scottish physicist whose theory of electromagnetism united electricity, magnetism and light in a single framework. Raised in Edinburgh, he wrote his first scientific paper at fourteen. His turning point came in the 1860s, when he formulated the equations that bear his name and showed that electromagnetic waves travel at the speed of light, concluding that light itself is an electromagnetic wave. Heinrich Hertz confirmed the prediction in the late 1880s, opening the way to radio, television and wireless communication. Maxwell also advanced the kinetic theory of gases, showed that Saturn's rings must consist of many small particles, and demonstrated the three-color method of color photography in 1861. As the first Cavendish Professor of Physics at Cambridge, he oversaw the founding of the Cavendish Laboratory. A devout Christian, he saw science as the study of an ordered creation.
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Physics from Newton to Feynman
Newton's laws of motion and gravitation framed physics for two centuries. Maxwell's theory of electromagnetism showed that light is an electromagnetic wave, and it guided Einstein toward special relativity in 1905. Planck's quantum hypothesis of 1900 opened quantum theory, which Einstein extended to light itself. Feynman later helped build quantum electrodynamics, the quantum theory of light and matter, sharing the 1965 Nobel Prize in Physics.
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Scientists of Christian Faith
For these scientists, studying nature and keeping faith went hand in hand. Kepler wrote that through his astronomy God was being celebrated. Pascal, a mathematician and physicist, wrote the reflections later published as the Pensées in defense of Christian faith. Faraday served as an elder of his small Christian congregation in London. Mendel carried out his experiments on pea plants as an Augustinian friar and later became abbot of his monastery in Brno. Maxwell held a lifelong Christian faith alongside his physics.
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