1832, GREAT BRITAIN: The Scottish physicist, mathematician, astronomer, inventor, writer, historian of science and university principal Sir DAVID BREWSTER (1781 1868). Portrait of Sir David Brewster engraved by W. Holl after design by Henry Raeburn from original painting by William Holl. He is well-recognized for being the inventor of the kaleidoscope and an improved version of the stereoscope applied to photography. He called it the" lenticular stereoscope", which was the first portable 3D viewing device. He also invented the binocular camera, two types of polarimeters, the polyzonal lens and the lighthouse illuminator