ISS celebrates its 25th anniversary in 2016. This celebration has included a number of specific commemorative events, attending by distinguished guests such as the Director of the Institute for Social Research at the University of Michigan, Professor David Lam.  Together with the rector of the University of Warsaw, Professor Marcin Pałys, Professor Lam has signed a renewed memorandum of cooperation between ISS and ISR with the director of ISS, Professor Tomasz Zarycki. Photos of the event avaliable at:  https://www.facebook.com/InstytutStudiowSpolecznych/photos/?tab=album&album_id=1137265942988307