Check out Joseph Bertrand's haircuts throughout his career:
Joseph Bertrand had a variety of different hairstyles during his career. He became famous as a talented mathematician, economist and professor. However, the French mathematician was especially known for his beautiful looks and his charming character. Before his death at the age of 78 he was repeatedly talked about in the press due to his superb hairstyles. Check out Joseph Bertrand's former and current hairstyles in the image gallery right here: