I was born in the year 1969. Since 1994, I am married to Ania and since November 1999 I am the father of my now grown-up son Thomas. From 2009 to 2017, we had another “family member”, a late bearded dragon called Jura or “Speedy Agamez”.

Very early, I started to use computers. I got my first real computer mid-1983 (after some primitive consoles): an „EACA Color Genie“ (comparable and compatible to a Tandy TRS-80). Two years later, I changed to an Apple ][-clone and finally to an „Atari 1024 ST“ used as our family computer in the parents’ house. Finally, I started to use different Macs. Professionally, I have to use typical PCs, however, I always try to also work in Unix/Linux environments. Naturally, my first coding language was BASIC with different dialects. Whilst still in school, I learned PASCAL (UCSD and mostly Turbo) and used it during most of my studies. During my PhD studies, I’ve learned how to use C/C++ and also some basics of Java, PHP, MySQL, and many more. Today, I dabble in Python and R.

Since the mid-80s, I am an amateur astronomer. What started with a small refractor (80mm f/11), bought together with my big brother, ended with the key to the observatory of the regional astronomy association “VAS e.V.” I helped to build. As a member, I was the editor of the internal newsletter (called “Infoblatt”, often longer than 32 pages, printed at home on a matrix printer, copied and stabled at a shop) for years. This was also the reason to learn some basics about layouts. For more than 10 years, I was also a member of the executive committee of the association.

Up from the start around 1998, I’m working for the German amateur astronomy page "Astronomie.de". Most of the time, I moderate the discussion board and write reviews. However, I am also the children’s "science agony uncle” who can be asked all scientific questions their parents can’t answer (or I get emails from the despaired parents). For over ten years I’ve supervised the “Beginner’s Course for Amateur Astronomers” and translated numerous press releases from the ESO, but due to a shortage of time, I’ve had to stop. During the first half of 2005, together with Dr Christiane Schmieger from “Media in Context”, I’ve retranslated the astronomy software “Starry Night”.

Apart from that, I’m a graduated physicist. Here, you can find my diploma thesis and my dissertation. From 1998 to 2000, I’ve worked at the Department of Biophysics at the University of Saarland and from 2001 to 2007, I was employed at the Regional Laboratory for the Measurement of Radioactivity. Aside from the routine work, I’ve measured the radon concentration in soil, in dwellings and in some workplaces, as well as the activity concentration of natural radionuclides in building materials and the exhalation and diffusion of Radon. Furthermore, this was the topic of my PhD thesis.

After a very short intermezzo in radiation protection during deconstruction of nuclear power plans, I’ve started to work at the Federal Office for Radiation Protection in Berlin at the end of 2007. There, I was head of the section “Radon” and, since 2009, also the head of the section “Natural Occurring Radioactive Materials, Residues". Since April 2018, both sections have been combined to the new “UR 2 - Radon and NORM” I am the head of.




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