Edward Whymper paved the way for mountaineers to start climbing the Matterhorn and while you would be right in assuming that mountaineering was a boys club, that wasn't the full picture. After all, a big name in climbing circles was Lucy Walker. She ascended mountains in all the finery of the time, wearing blouses and petticoats despite the cold. She had her sights set on the Matterhorn but she had a rival. Marguerite Brevoort, aunt to the ailing W. A. B. Coolidge, also had a reputation. But which of these women would scale the mountain first?