You may known Marguerite Harrison from the silent-film era documentary Grass: A Nation’s Battle for Life, which she made with the two men who later went on to make King Kong. In 1925, the same year Grass was released, she and three other women formed The Society of Woman Geographers. The story of The Intrepid ’20s Women Who Formed an All-Female Global Exploration Society, by April White, is at Atlas Obscura.