Owes much of its success to Hans Ledwinka, an engineering genius who brought much innovation to the marque. His early Nesseldorf car introduced 4 wheel braking and an overhead-cam engine. After World War I the company was renamed Tatra and Ledwinka charged with designing a new small car. The 1923 Type-11 was simple yet extremely rugged, and became a huge success. This was followed by Type-77 in in 1934, the worlds first enclosed streamlined production car. Since 1999 has concentrated on the manufacture of trucks.