Andre Citroen, French engineer and car manufacturer, October 1928.
© Science Museum / Science & Society Picture Library
Signed photograph of Citroen (1878-1935) who studied engineering at the Ecole Polytechnique, Paris. He joined the car builders Automobiles Mors in 1908. In 1912 he visited Henry Ford's mas production line in Detroit, USA, and exported the idea to France, first making armaments during WWI, and then in 1919 mas-producing small, inexpensive cars. He enjoyed great succes until he was declared bankrupt in 1934, losing control of the company that still bears his name.