Fig. 1
a. Photo of Peter Mariën (PM). b: PM during the International Symposium of SRC in Brussels (2015). c: PM on the left, Mario Manto (MM) in the centre, Jeremy Schmahmann (JS) on the right. d: Stefanie Keulen, PM, Elke De Witte, Kim van Dun (KvD) from left to right. e: PM and JS at the Atomium in Brussels. f: PM giving the Francqui lecture. g: JS, Frank van Overwalle, PM, KvD, MM from left to right. h: PM, Roeland Crols, Eric De Smet from left to right. i: PM in Iceland (2015). j: PM and Peggy Wackenier. k: PM during an interview. l: PM walking in Reykjavik. Permissions have been obtained from the copyright owners of the photos