Career
In the 1950s, he worked on research projects of space exploration in the United States of America. Between 1968 and 1974, he promoted the first intercontinental network of satellite geodesy. Geodetic measurement methods at the V2 projekt in Peenemünde (~1942) Bbeginnings of satellite geodesy 1959 Theory of analytical photogrammetry and matrix/Information Technology developments (1950s, United States of America) High precision evaluation of photogram (ca 1965-1978) Worldwide Satellite Triangulation Network (1969-1973 (publ 1974): first regular intercontinental network, 46 stations (3000–5000 km apart), pioneering accuracy (±3m) Contributions to the method of least squares, network optimization, Block triangulation Optimization of coordinate transformations (~1975) Development of 3D intersection methods in analytical photogrammetry ZfV 1998:.
