The Carl Zeiss company is a German manufacturer of optical systems, industrial measurements and medical devices originally founded in Jena in 1846 by Carl Zeiss, Ernst Abbe and Otto Schott. Due to the results of World War II there are currently two parts, the Carl Zeiss AG located in Oberkochen with important subsidiaries in Aalen, Göttingen and Hallbergmoos (near Munich) and Carl Zeiss Gmb H located in the foundation city Jena.