![]() 1681: Returned to The Hague, as Paris was becoming intolerant of Protestants.1669: Presented to the Royal Society a correct statement on the laws of impact of elastic bodies.1666: Moved to Paris at the urging of Jean-Baptiste Colbert.1663: Elected Fellow of Royal Society of London.Born: 14 April 1629 in The Hague, Netherlands.This was inaccurate, but no better estimate was forthcoming for another century. Left extensive manuscripts which, had they been published, may well have brought the science of microbiology forward by two centuries.įor one thing, he anticipated the work of Louis Pasteur.ĭeduced the laws of reflection and refraction.Įxplained the reason behind the double refraction of Iceland Spar.Įstimated the distance of the star Sirius as being $27 \, 664$ times as far away from Earth as the sun. Investigated protozoology in order to repeat the work of Antonie Philips van Leeuwenhoek. Served as a mentor to young Gottfried Wilhelm von Leibniz. Made the first detailed study of the evolute and involute of a curve in the plane. Noticed a surface feature of Mars, and from there determined the length of a Martian day.Įstablished the laws of impact for elastic bodies, refuting the erroneous work of Descartes in his $1644$ work Principia Philosophiae. Studied the rings of Saturn and discovered its moon Titan.īelieved that light travels in waves, hence the Huygens-Fresnel Principle.ĭeveloped an improved method of grinding lenses for telescopes. ![]() Dutch mathematician, astronomer, physicist and horologist.
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