Hanns Model, Klaus Moje and Isgard Moje-Wohlgemuth, Helmut Rotter, Albin Schaedel, Bernhard Schagemann, Gerhard Schechinger, Horst Stauber, Wilhelm Wagenfeld...

to determine their purpose. He was joined by archaeologist Richard P. Schaedel from the United States, and Maria Reiche, a German mathematician and archaeologist...