Portal:History of science/Selected anniversaries/July 18
- 1635 - Birth of Robert Hooke, English scientist (d. 1703)
- 1720 - Birth of Gilbert White, English ornithologist (d. 1793)
- 1853 - Birth of Hendrik Lorentz, Dutch physicist, Nobel Prize laureate (d. 1928)
- 1884 - Death of Ferdinand von Hochstetter, Austrian geologist (b. 1829)
- 1937 - Birth of Roald Hoffman, Polish-born chemist, Nobel Prize laureate
- 1948 - Birth of Hartmut Michel, German chemist, Nobel laureate
- 1997 - Death of Eugene Merle Shoemaker, American astronomer (b. 1928)
- 2002 - Death of Victor Emery, British theoretical physicist (b. 1933)