Andrew Cowper
Lawson

UC Berkeley (Geotree)


Ferdinand
Zirkel

Universität Leipzig (Geotree)


Paul Heinrich
von Groth

Universität München (Geotree)


Victor Mordechai
Goldschmidt

Universität Heidelberg (Geotree)


Charles
Palache

Harvard (Geotree)


Ian
Campbell

California Division of Mines and Geology (Geotree)


Elburt Franklin
Osborn

Penn State (Geotree)

Della M.
Roy

Penn State
(Options)

P.
Arjunan

Penn State

Walter Hans
Eysel

Universität Heidelberg (Chemistry Tree)

Robert E.
Dinnebier

Max-Planck-Institute for Solid State Research (Chemistry Tree)

Della RoyX