Willem R.
van Zwet

Leiden (MathTree)


Jacobus
Oosterhoff

VU Amsterdam (MathTree)


Hans
Freudenthal

Utrecht (MathTree)


Carel Louis
Scheffer

Delft University of Technology (MathTree)


Richard D.
Gill

Leiden (MathTree)


R. Harald
Baayen

University of Alberta / University of Tübingen

Antti
Arppe

University of Alberta
(Options)

Antti ArppeX