Valfarly chanced upon wikipedia and thought "that'll never work"... but after using it a few times, he eventually got sufficently annoyed by a typo to do something about it and on 15th March 2004 hit edit. From there it was a slippery slope to writing articles for things he found no-one else had written about and adding tidbits, factoids and other nuggets of information to previously covered topics. Finds himself correcting spelling and grammar far too often!
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Cecilia Payne-Gaposchkin (1900–1979) was a British-born American astronomer and astrophysicist who proposed in her 1925 doctoral thesis that stars were composed primarily of hydrogen and helium. Her groundbreaking conclusion was initially rejected because it contradicted the scientific wisdom of the time, which held that there were no significant elemental differences between the Sun and Earth. Independent observations eventually proved she was correct. Her work on the nature of variable stars was foundational to modern astrophysics.Photograph credit: Science Service; restored by Adam Cuerden