to my homepage in English. Although I'll try to provide as much as possible in both languages, parts are published in German only. Therefore have a look at the German branch as well, if you understand that language a little bit. Volunteers for translations are welcome and will be honoured with a nice label showing their names ...
(International Standard Name Identifier: 0000000011582019, Virtual International Authority File: 30203111, Gemeinsame Normdatei/Deutsche Nationalbibliothek: 113063458)
Links to online activities
For Twitter etc. see also About me ... in the left column