Wilhelm
Wundt

University of Leipzig


Willy
Hellpach

Heidelberg University (PsychTree)


Wilhelm
Witte

University of Regensburg, Germany






John S.
Werner

UC Davis
?


Fred
Attneave

University of Oregon


Richard K.
Olson

CU Boulder


Jean
Piaget

University of Geneva


Bärbel
Inhelder

University of Geneva


Ernst
Boesch

Saarland University


Paul
Baltes

Max Planck Institute for Human Development (Berlin)


Reinhold
Kliegl

University of Potsdam

Ralf
Engbert

University of Potsdam
(Options)

Martin
Rolfs

HU Berlin


Sunwoo
Kwon

UC Berkeley




Clara
Kuper

HU Berlin

Sven
Ohl

HU Berlin

Carlos
Cassanello

The Australian National University



Anna
Heuer

University of Marburg

Anke
Cajar

University of Potsdam, Germany

Ralf EngbertX