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Rex Tregilgas
Prider
Cambridge (Chemistry Tree)

Brian F.
Glenister
University of Iowa (Geotree)


Brian W.
Logan
University of Western Australia (Physics Tree)


J. Fred
Read
Virginia Tech (Physics Tree)


John P.
Grotzinger
Caltech (Physics Tree)


Charles Kenneth
Leith
UW Madison (Geotree)

Warren J.
Mead
MIT (Geotree)

Alexander Newton
Winchell
UW Madison (Geotree)

Edward Wilber
Berry
Johns Hopkins (Geotree)


Milton Nunn
Bramlette
UCSD (Geotree)


Francis Parker
Shepard
UCSD (Geotree)


Robert S
Dietz
UCSD (Geotree)


Adrian F.
Richards
UIUC (Geotree)


Henry Caselli
Richards
University of Queensland (Geotree)

Gertrude Lilian
Elles
Cambridge (Geotree)


Dorothy
Hill
University of Queensland (Geotree)


Bruce N.
Runnegar
UCLA (Chemistry Tree)


Donald R.
Lowe
Stanford (Chemistry Tree)


Irving W.
Bailey
Harvard (Evolution Tree)


Elso S.
Barghoorn
Harvard (Evolution Tree)


Andrew H
Knoll
Harvard (Evolution Tree)


Woodward W.
Fischer
Harvard (Evolution Tree)

Lizzy
Trower
CU Boulder
(Options)

Lizzy TrowerX