Sun-shine, and of Injuring it in the Shade and at Night (London, 1779) Entry at the Catholic Encyclopedia Ingenhousz's relationship to Brownian motion, see page 1 Best known for Discovering Photosynthesis 1730 births 1799 deaths 18th-century Dutch physicians Court physicians 18th-century Dutch botanists Dutch physiologists Fellows of the Royal Society Leiden University alumni People from Breda Researchers of photosynthesis Smallpox Old University of Leuven alumni Dutch Catholics Members of the American Philosophical Society