Fidelis Böhler was a German engineer who worked for decades on small and micro car designs, alongside co-designer Carl Pollich in his early career. In 1923 they founded a company in Berlin, Kleinmotorwagen AG, to build a single-seat microcar Böhler had designed, powered by a 500cc, 10hp rear engine and notable for its fenders integrated into the body, an early form of pontoon styling. In 1924 the design was bought…