David Brewster

Dec 11, 1781 - Feb 10, 1868

Sir David Brewster KH PRSE FRS FSA Scot FSSA MICE was a British scientist, inventor, author, and academic administrator. In science he is principally remembered for his experimental work in physical optics, mostly concerned with the study of the polarization of light and including the discovery of Brewster's angle. He studied the birefringence of crystals under compression and discovered photoelasticity, thereby creating the field of optical mineralogy. For this work, William Whewell dubbed him the "father of modern experimental optics" and "the Johannes Kepler of optics."
A pioneer in photography, Brewster invented an improved stereoscope, which he called "lenticular stereoscope" and which became the first portable 3D-viewing device. He also invented the binocular camera, two types of polarimeters, the polyzonal lens, the lighthouse illuminator, and the kaleidoscope.
Brewster was a Presbyterian and walked arm in arm with his brother on the Disruption procession which formed the Free Church of Scotland. As a historian of science, Brewster focused on the life and work of his hero, Isaac Newton.
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