Portal:History of science/Selected anniversaries/September 25

September 25:

• 1644 - Birth of Ole Rømer, Danish astronomer (d. 1710)

• 1777 - Death of Johann Heinrich Lambert, German scientist (b. 1728)

• 1866 - Birth of Thomas Hunt Morgan, American geneticist, Nobel laureate (d. 1945)

• 1986 - Death of Nikolay Nikolayevich Semyonov, Russian chemist, Nobel Prize laureate (b. 1896)

• 2008 - China launches the spacecraft Shenzhou 7