Klaus Holighaus (14 July 1940 – 9 August 1994) was a glider designer, glider pilot and entrepreneur. Klaus Holighaus was born in Eibelshausen, Germany. He started his career in gliding when he was an engineering student at the Technische Hochschule Darmstadt, where he was a member of its Akaflieg. Fellow students Gerhard Waibel and Wolf Lemke had already developed the D-36 glider and he contributed to its refinement. He joined Schempp-Hirth as an employee in 1965. He became Chief Executive in 1972 and from 1977 Holighaus was the sole owner of the business. He designed most of the company's products, beginning with the Cirrus until the Nimbus-4.