https://www.theguardian.com/technology/2018/jul/29/the-five-wikipedia-biases-pro-western-male-dominated

Over the last year, scientist Jess Wade has taken to the keyboard to rectify gender bias on Wikipedia. She has written more than 270 entries about forgotten but influential women in science – such as Susan Goldberg, the first female editor of National Geographic. Research shows just 16% of Wikipedia editors are female and only 17% of entries dedicated to notable people are for women.