Mainly contributing to de.wikipedia.org and en.wikipedia.org. See
for my german user page.
You will find my media in Commons here:
All photos are licensed under the CC-BY-SA-3.0, compare
Correct usage of license
If you would like to use my work (in original or in modified form) for publication, then you are free to do so, provided this will be done by making the following attribution:
- © DrKssn / CC-BY-SA-3.0 (via Wikimedia Commons)
My workflow of postprocessing and editing images is based entirely on OpenSource software like RawTherapee and GIMP. I also like to use the open lossless raw image format DNG.