Cecilia Payne-Gaposchkin (May 10, 1900 – December 7, 1979) was an English-American astronomer and astrophysicist who in 1925 proposed in her PhD thesis an explanation for the composition of stars in terms of the relative abundances of hydrogen and helium
Read more about Cecilia Payne-Gaposchkin: Early Life, Doctorate, Personal Life, Career, Appraisal of Her Career, Bibliography, Honors, Quotation, Further Reading