This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Karl Friedrich Kstner by Fabender. Portrt von Fassbenden zu Kstners Geburtstag Das Gemlde befindet sich im Besitz des ArgelanderInstituts fr Astronomie der Universitt Bonn unibonn de htm deutschesmuseum de Creator Willy Fabender PDold Astronomers from Germany Willy Fabender portrait paintings
Page 2023 Free-images.com. All images are Public Domain