Portal:History of science/Selected anniversaries/December 4

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)