Check out William C. Pfefferle's haircuts throughout his career:
William C. Pfefferle had a variety of different hairstyles during his career. He became famous as a talented engineer. However, the Inventor of Catalytic Combustion was specially known for his remarkable looks and his charming character. Before his tragic passing at the age of 87 he was often talked about in the press because of his marvelous hair. Check out William C. Pfefferle's former and current haircuts in the image gallery right here: