Portal:History of science/Selected anniversaries/December 4
- 1123 – Death of Omar Khayyám, Persian poet, astronomer, mathematician, and philosopher (b. 1048)
- 1576 – Death of Rheticus, Austrian mathematician (b. 1514)
- 1798 – Death of Luigi Galvani, Italian physicist (b. 1737)
- 1850 – Death of William Sturgeon, English physicist and inventor (b. 1783)
- 1908 – Birth of Alfred Hershey, American bacteriologist, Nobel laureate (d. 1997)
- 1988 – Death of Osman Achmatowicz, Polish chemist (b. 1899)