Happy birthday to British-born, American #astrophysicist Margaret Burbidge (1919-2020) who was one of the people instrumental in building our understanding of stellar nucleosynthesis, how nuclei are produced in stars & you and I are all stardust! She was the 1st author of a monumental scientific paper Synthesis of the Elements in Stars, which became known as B2FH from the initials of its authors: Margaret Burbidge, Geoffrey Burbidge (her