Franz Fiedler was born in 1938, studied meteorologie in Frankfurt am Main (then West-Germany) and received his degree from the University of Munich in 1968. Fiedler became in 1973 Professor of Meteorology at the University of Mainz, and in 1978 he took over the Chair of Meteorology at the University of Karlsruhe in 1978. From 1978 to 2003 he was leading the 'Institut für Meteorologie und Klimaforschung' (IMK; in English the 'Institute for Meteorology and Climate Research') which is related to the University of Karlsruhe.  Franz Fiedler was from 1988 to 1990 the Dean of the Faculty of Physics of that university. He is now a retired professor 
Fiedler was one of the speakers at the conference in Leipzig in November 1995 organized by the European Academy for Environmental Affairs and the Science and Environmental Policy Project (SEPP) which resulted in the Leipzig Declaration on Global Climate Change. His speech was about ozone problems at the earth surface. Unlike most other speakers of that conference, he didn't sign the 'Leipzig Declaration' or the Oregon Petition.