Tonny Albert Springer spent most of his career as a mathematician at the University of Utrecht. Here is a brief biography (in Dutch) that appeared in Nieuw Archief voor Wiskunde. Here are some pictures of him. Below is the announcement of a special day that was organized in his memory.
Friday October 26, 2012, a day in memory of
Tonny Albert Springer
SCIENTIFIC PROGRAM
Morning: Went Building Blue Room
10:00-11:00 Corrado de Concini (Sapienza, Rome): Steinberg section and branching rules
11:30-12:30 Michel Brion (Grenoble): On algebraic semigroups and monoids
Afternoon: Minnaert Building Room 208
13:45-14:45 Eric Opdam (Univ. of Amsterdam): The missing representations
15:00-16:00 Arjeh Cohen (Eindhoven): Reflections on and in Springer's work
REMINISCENCES 16:15-16:45
Jaap Murre (Leiden): Springer as a friend
Jan Strooker (Utrecht): Springer, teacher and colleague (find here the text—in Dutch—pronounced at this occasion).
16:45-18:00 Reception in the Library of the Wiskunde Building.
Note that the location of the morning lectures differs from the one of the afternoon activities. Information on how to get there can be found on this map.
As of 18:30 a buffet will take place in the Faculty Club of the University for 25 € p.p. and for which you may register by sending an email to science.secr.mathinst@uu.nl, preferably by October 19. Although the day program can be attended without registration, it is helpful for the organization if you use this email address also to inform us that you are planning to come.