Luitzen E.J.
Brouwer

Amsterdam (MathTree)


Arend
Heyting

Amsterdam (MathTree)


Anne S.
Troelstra

Amsterdam (MathTree)








Adriaan J.
van Wijngaarden

Amsterdam (Physics Tree)


Guus
Zoutendijk

Leiden (Physics Tree)








Andries F.
Sanders

VU Amsterdam (PsychTree)


Gijsbertus
Mulder

RUG (PsychTree)






Clark L.
Hull

UW Madison




Neal E.
Miller

Rockefeller


Kenneth W.
Spence

Iowa University


Frank A.
Logan

Univ. of New Mexico




John
Anderson

Carnegie Mellon

Niels A.
Taatgen

RUG
(Options)

Ion
Juvina

Wright State University (PsychTree)

Alexander Ryan
Hough

Wright State University (PsychTree)

Michael Gordon
Collins

Wright State University (PsychTree)

Kevin John
O'Neill

Wright State University (PsychTree)

Leendert
van Maanen

Amsterdam (PsychTree)


Ben
Meijering

RUG (MathTree)

Niels TaatgenX