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John J. W.
Rogers
UNC Chapel Hill (Geotree)


Thomas
Chacko
University of Alberta (Geotree)


James Burleigh
Thompson
Harvard (Geotree)

Marland Pratt
Billings
Harvard (Geotree)

John
Haller
Harvard (Geotree)


Douglas
Rumble
Carnegie Institution for Science (Geotree)


John Widmer
Winchester
Florida State





James
Farquhar
University of Maryland


Irving W.
Bailey
Harvard (Evolution Tree)


Elso
Barghoorn
Harvard (Evolution Tree)


Andrew H
Knoll
Harvard (Evolution Tree)



William D.
Leavitt
Darthmouth
(Options)

William LeavittX