Dear colleagues, On September 17th, we will have an afternoon symposium at the department in celebration of the 75th birthday of Aksel S. Jensen. You are hereby invited to attend the event. The program can be found here: http://phys.au.dk/aktuelt/nyhed/artikel/symposium-to-celebrate-the-75th-birt... In order to arrange the catering, we require that you sign up by sending an e-mail to Karin Vittrup (Karin.vittrup@phys.au.dk<mailto:Karin.vittrup@phys.au.dk>). The deadline to sign up is Wednesday September 12th. Sincerely yours, Dmitri Fedorov and Nikolaj Zinner