Portal:History of science/Selected anniversaries/January 11
- 1757 - Birth of Samuel Bentham, English mechanical engineer (d. 1831)
- 1787 - William Herschel discovers Titania and Oberon, two moons of Uranus
- 1788 - Birth of William Thomas Brande, English chemist (d. 1866)
- 1800 - Birth of Ányos Jedlik, Hungarian physicist (d. 1895)
- 1839 - Birth of Eugenio Maria de Hostos, Puerto Rican educator, philosopher and nationalist (d. 1903)
- 1845 - Birth of Albert Victor Bäcklund, Swedish physicist (d. 1912)
- 1850 - Birth of Joseph Charles Arthur, American botanist (d. 1942)
- 1872 - Birth of George Washington Pierce, American physicist (d. 1956)
- 1882 - Death of Theodor Schwann, German physiologist (b. 1810)
- 1887 - Birth of Aldo Leopold, American ecologist (d. 1948)
- 1906 - Birth of Albert Hofmann, Swiss chemist (d. 2008)
- 1924 - Birth of Roger Guillemin, French neuroendocrinologist, Nobel laureate
- 1968 - Death of Isidor Isaac Rabi, American physicist, Nobel Prize laureate (b. 1898)
- 1991 - Death of Carl David Anderson, American physicist, Nobel laureate (b. 1905)