This article was originally published by The Conversation. Behind some of the most fascinating scientific discoveries and innovations are women whose names might not be familiar but whose stories are worth knowing. Of course, there are far too many to all fit on one list. But here are five profiles from The Conversation’s archive that highlight the brilliance, grit and unique perspectives of five women who worked in geosciences, math, ornithology, pharmacology and physics during the 20th century.