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Irving W.
Bailey
Harvard (Evolution Tree)


Elso
Barghoorn
Harvard (Evolution Tree)


Carl Hansen
Ostenfeld
Copenhagen University (Evolution Tree)


Johannes
Iversen
Danish Geological Survey (Evolution Tree)


Johannes
Iversen
Danish Geological Survey (Evolution Tree)

Stanley A.
Cain
UC Santa Cruz (Terrestrial Ecology Tree)


Svend Thorkild
Andersen
Danish Geological Survey (Evolution Tree)


Rolf
Nordhagen
University of Bergen (Plant Biology Tree)


Knut
Faegri
University of Bergen (Evolution Tree)


Donald R.
Whitehead
Indiana University (Evolution Tree)


Stephen Thomas
Jackson
University of Wyoming

Jodi R.
Norris
University of Wyoming
(Options)

Jodi NorrisX