Lady Gwendoline is the person in Les Machinistes who invites Schuiten and Renard. She has a soft voice with an English accent. She asked Schuiten and Renard to design a city for an unknown principle. She calls Schuiten and Renard the machinists. After Schuiten and Renard finished their job, she moved suddenly to the Amazon area. There she seems to have build a city based on the drawings of this book.