Portal:History of science/Selected anniversaries/June 29
- 1855 - Death of John Gorrie, American scientist (b. 1802)
- 1868 - Birth of George Ellery Hale, American astronomer (d. 1938)
- 1895 - Death of Thomas Henry Huxley, English scientist (b. 1825)
- 1900 - Death of Ivan Mikheevich Pervushin, Russian mathematician (b. 1900)
- 1914 - Birth of Christos Papakyriakopoulos, Greek mathematician (d. 1976)
- 1927 - First test of Wallace Turnbull's Controllable pitch propeller
- 2004 - Death of Bernard Babior, American biochemist (b. 1935)