| 1963 | Birth as Frank J. Müller in Düsseldorf (Germany). |
| 1969-1982 | Schools in Düsseldorf: Marien-Schule, Lessing-Gymnasium. |
| 1982-1990 | Studying to obtain a Diploma of mathematics from Düsseldorf University (with physics as subsidiary subject). |
| 1990-1991 | Community service at the Charitable Workshops in Neuss ["Gemeinnützige Werkstätten"]. |
| 1992-1997 | Teaching studies (physics, philosophy, pedagogical sciences) at the Universities in Cologne and Düsseldorf. |
| 1994 | Marriage with Monika Rosemeier. |
| 1996-2004 | Member of the Algebra/Geometry group lead by Prof. Holger P. Petersson at the FernUniversity in Hagen: (Department of Mathematics). |
| 2000 | Birth of the child Lena Tabea Rosemeier. |
| 2002 | Doctorate with dissertation on "Semiquadratic Algebras" ["Semiquadratische Algebren" (German)] at the FernUniversity in Hagen. |
| 2004-2005 | Member of the Computability and Logic group lead by Prof. Klaus Weihrauch at the FernUniversity in Hagen: (Department of Computer Science). |
| 2004 | Birth of the child Merle Johanna Rosemeier. |
| 2006 | Lecturer for Economic Mathematics and Statistics at the SRH University of Applied Sciences Hamm. |