Portal:History of science/Selected anniversaries/August 18

August 18:

 * 1685 - Birth of Brook Taylor, English mathematician (d. 1731)


 * 1868 - French astronomer Pierre Jules César Janssen discovers helium


 * 1902 - Birth of Margaret Murie, American conservationist, naturalist, and author (d. 2003)


 * 1955 - Birth of Taher ElGamal, Egyptian scientist


 * 2001 - Death of David Peakall, British scientist (b. 1931)