Cecilia Payne-Gaposchkin

10 May 1900 – 7 December 1979

Cecilia Payne-Gaposchkin (1900-1979) was a British-American astronomer whose 1925 doctoral thesis first showed that stars are composed predominantly of hydrogen and helium, revolutionizing understanding of stellar composition. She became the first woman to be promoted to full professor at Harvard and the first to chair a department there.

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Life events

Born in Wendover, England
10 May 1900

Cecilia Helena Payne was born in Wendover, Buckinghamshire, England.

Source: en.wikipedia.org
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Studied at Newnham College, Cambridge
1919 – 1923

She studied botany, physics and chemistry at Newnham College, Cambridge, but was not granted a degree because Cambridge did not award degrees to women at the time.

Source: en.wikipedia.org
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Moved to the United States to study at Harvard
1923

She emigrated to the United States to join the Harvard College Observatory on a fellowship.

Source: en.wikipedia.org
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Completed doctoral thesis on stellar atmospheres
1925

Her PhD thesis showed that hydrogen and helium are the overwhelmingly dominant constituents of stars.

Source: en.wikipedia.org
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Married Sergei Gaposchkin
1934

She married the Russian-born astronomer Sergei Gaposchkin, with whom she collaborated on studies of variable stars.

Source: en.wikipedia.org
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Became the first woman promoted to full professor at Harvard
1956

She was appointed a full professor, the first woman to attain that rank at Harvard through the Faculty of Arts and Sciences.

Source: en.wikipedia.org
Achievement ✓
Became chair of the Harvard Department of Astronomy
1956

She became the first woman to head a department at Harvard University.

Source: en.wikipedia.org
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Awarded the Henry Norris Russell Prize
1976

She received the Henry Norris Russell Lectureship of the American Astronomical Society for her lifetime of achievement.

Source: en.wikipedia.org
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Died in Cambridge, Massachusetts
7 December 1979

Cecilia Payne-Gaposchkin died in Cambridge, Massachusetts at the age of 79.

Source: en.wikipedia.org
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