Portal:History of science/Selected anniversaries/November 11

November 11:

 * 1675 – Gottfried Leibniz demonstrated integral calculus for the first time to find the area under the graph of y = ƒ(x)


 * 1686 – Death of Otto von Guericke, German scientist, inventor, and politician (b. 1602)


 * 1743 – Birth of Carl Peter Thunberg, Swedish naturalist (d. 1828)


 * 1884 – Death of Alfred Brehm German zoologist (b. 1827)


 * 1904 – Birth of J. H. C. Whitehead, British mathematician (d. 1960)


 * 1930 – Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator


 * 1973 – Death of Artturi Ilmari Virtanen, Finnish chemist, Nobel Prize laureate (b. 1895)