Friedrich Wilhelm Sander (August 25, 1885 in Glatz (Kłodzko) – September 15, 1938) was a German pyrotechnics engineer and manufacturer remembered for his contributions to rocket-powered flight. In 1923, Sander purchased the company in Bremerhaven, which had been manufacturing black powder charges to power whaling harpoons since the mid nineteenth century. Sander soon expanded the factory's products to include . In 1928, he was approached by Max Valier, on behalf of Fritz von Opel to provide rockets to propel cars and aircraft as a means of promoting the Opel company. Their joint projects involved the creation of the world's first rocket car, the Opel RAK 1 and the first rocket plane, the Ente.