Portal:History of science/Selected anniversaries/July 24
- 1786 - Birth of Joseph Nicollet, French mathematician and explorer (d. 1843)
- 1794 - Birth of Johan Georg Forchhammer, Danish geologist (d. 1865)
- 1856 - Birth of Émile Picard, French mathematician (d. 1941)
- 1974 - Death of James Chadwick, English physicist, Nobel Prize laureate (b. 1891)
- 1986 - Death of Fritz Albert Lipmann, American biochemist, Nobel Prize laureate (b. 1899)