Fritz Gunter Sachs (14 November 1932 - 7 May 2011) was a German photographer, author, industrialist, and latterly head of an institute that researched claims of astrology. As a young man he became a sportsman, then gained international fame as a documentary film-maker and documentary photographer. He was interested in astrology and its connection with mathematics and statistics. His methodology and the statistical analysis have been criticized by mathematicians. They found serious errors in all parts and deny any statistical significance after the necessary corrections in his data. Read more