Portal:History of science/Selected anniversaries/July 15

July 15:

 * 1865 - Birth of Wilhelm Wirtinger, Austrian mathematician (d. 1945)


 * 1918 - Birth of Bertram N. Brockhouse, Canadian physicist, Nobel Prize laureate (d. 2003)


 * 1919 - Death of Hermann Emil Fischer, German chemist, Nobel Prize laureate (b. 1852)


 * 1921 - Birth of Robert Bruce Merrifield, American chemist, Nobel Prize laureate


 * 1922 - Birth of Leon M. Lederman, American physicist, Nobel Prize laureate


 * 1928 - Birth of Carl Woese, American microbiologist


 * 1930 - Birth of Stephen Smale, American mathematician


 * 1943 - Birth of Jocelyn Bell Burnell, Irish astrophysicist


 * 1955 - Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others