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Hans
Cloos

Universität Bonn (Geotree)


Ernst
Cloos

Johns Hopkins (Geotree)


Richard P.
Nickelsen

Bucknell University (Geotree)


John Graham
Ramsay

Imperial College London (Geotree)


David
Elliott

Johns Hopkins (Geotree)


Gautam
Mitra

Rochester (Geotree)


Mary Beth
Gray

Bucknell University (Geotree)


Chester
Stock

Caltech (Evolution Tree)


Ian
Campbell

California Division of Mines and Geology (Geotree)


Richard Henry
Jahns

Stanford (Geotree)


Arvid M.
Johnson

Purdue (Physics Tree)


Atilla
Aydin

Stanford

Nicholas C.
Davatzes

Stanford
(Options)

Nicholas DavatzesX