Edward Charles
Jeffrey

Harvard (Evolution Tree)


Irving W.
Bailey

Harvard (Evolution Tree)


Elso
Barghoorn

Harvard (Evolution Tree)


J. William
Schopf

UCLA (Geotree)


Cecil Edgar
Tilley

Cambridge (Chemistry Tree)


Colin Osborne
Hutton

Stanford (Geotree)


Robert G
Coleman

Stanford (Geotree)


Clark M.
Johnson

UW Madison


Colin Osborne
Hutton

Stanford (Geotree)


Robert G
Coleman

Stanford (Geotree)


Clark M.
Johnson

UW Madison
?


Levi Gordon
Medaris

UW Madison (Geotree)


Brian L
Beard

UW Madison

Andrew D.
Czaja

University of Cincinnati
(Options)

Andrew CzajaX