Merry Christmas and Happy New Year 2024 Merry Christmas and Happy New Year 2024! What the Advisory Board and the chairman wish you can be viewed here as PDF You Might Also Like 02 Jun 2008 Professor Tsyganenko Dr. h. c. of the University of Wuppertal June 2, 2008 24 Feb 2011 Professor Dr. Alexander Tsyganenko retired February 24, 2011 05 Oct 2022 Newsletter Autumn 2022 October 15, 2022