Events
2001 – NEAR Shoemaker spacecraft touchdown in the "saddle" region of 433 Eros becoming the first spacecraft to land on an asteroid.
Births
1637 – Jan Swammerdam, Dutch scientist
1665 – Rudolf Jakob Camerarius, German botanist and physician
1785 – Pierre Louis Dulong, French physicist
1804 – Heinrich Lenz, German physicist
1809 – Charles Darwin, English naturalist
1918 – Julian Schwinger, American physicist and Nobel Prize laureate
Deaths
1612 – Christopher Clavius, German astronomer
1799 – Lazzaro Spallanzani, Italian biologist
1958 – Douglas Hartree, English mathematical physicist