My (Fabian Ziltener's) Ph.D. student Dušan Joksimović defended his Ph.D. thesis on October 6, 2020 at the Academiegebouw of Utrecht University. The picture below was taken after the defense.
first row: Dušan Joksimović
second row: his paranymphs Dimitrije Cicmilović and Stevan Gajović
last row: Gil Cavalcanti (member of the reading committee), Marius Crainic (official supervisor), myself, Jason Frank (head of the department of mathematics at Utrecht University), and the pedel (beadle)