In 1952 Nixdorf founded the
Labor für Impulstechnik in
Essen. On September 5, 1952, Nixdorf hired his first employee, an electronics technician named Alfred Wierzioch. In 1954 they released their first vacuum-tube computer, called
ES, for the local electric utility company. From this point on the company grew rapidly, becoming a supplier of electronic computing devices to other companies, including Wanderer, at the time the leading German manufacturer of office machines. In 1959 the company moved to Paderborn where Nixdorf was born. Utilizing his connections there he had ambitious plans to grow his company. In 1961 his company had 60 employees. In 1965 the Wanderer Logatronic, an electronic desk calculator, was presented at
Hannover Messe. It was the first electronic calculator to use semiconductors, revolutionary for the time. In 1967, Nixdorf developed the Logatronic into the Nixdorf 820 in 1967, which was very successful. In 1968 Nixdorf bought Wanderer and renamed the company
Nixdorf Computer AG. ==National and international success==