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Julius
Mac Leod

Ghent University (Chemistry Tree)




Pieter Leonhard
Rijke

Leiden (Physics Tree)


Hendrik Antoon
Lorentz

Teylers Institute in Haarlem (Physics Tree)


Leonard Salomon
Ornstein

Utrecht (Physics Tree)


Jožef
Stefan

Vienna University (Physics Tree)


Ludwig
Boltzmann

Vienna University (Physics Tree)


Paul
Ehrenfest

Leiden (Physics Tree)


Marcel G.J.
Minnaert

Utrecht (Physics Tree)

Cornelis
Zwaan

Utrecht
(Options)


Alfred Gustaf
de Wijn

High Altitude Observatory

Hendrik Christiaan
Spruit

Max-Planck-Institut für Astrophysik

Rudolf
Stehle

Max Planck Institute for Astrophysics (Physics Tree)

Adriaan A.
van Ballegooijen

Harvard (Physics Tree)

Carolus (Karel) Josephus
Schrijver

Lockheed Martin Solar and Astrophysics Laboratory

Han
Uitenbroek

National Solar Observatory

Karen Lorraine
Harvey

Kitt Peak National Observatory

Cornelis ZwaanX