How did Karl Rapp become famous?

Karl Rapp became famous as the founder of Rapp Motorenwerke, which later evolved into the BMW (Bayerische Motoren Werke) company in the early 20th century. Initially, he gained recognition for producing aircraft engines during World War I. After the war, Rapp shifted focus to motorcycles and automobiles, paving the way for BMW's future success in the automotive industry. His innovative approach and commitment to quality helped establish BMW as a leading luxury car manufacturer.