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James Dwight
Dana
Yale (Terrestrial Ecology Tree)

Othniel Charles
Marsh
Yale (Geotree)


Charles Emerson
Beecher
Yale (Systematics Tree)


Charles
Schuchert
Yale (Evolution Tree)


Carl Owen
Dunbar
Yale (Evolution Tree)

Arthur Keith
Miller
University of Iowa
(Options)

Marcus Luther
Thompson
Illinois Geological Survey (Geotree)

Keith Preston
Young
UT Austin (Geotree)

Charles William
Pitrat
U Mass Amherst (Geotree)


George D.
Swingle
University of Tennessee, Knoxville (Geotree)


Brian F.
Glenister
University of Iowa (Geotree)

Royal H.
Mapes
Ohio University (Geotree)

William Madison
Furnish
University of Iowa (Geotree)

Gilbert
Klapper
University of Iowa (Geotree)

Walter C.
Sweet
Ohio State (Marine Ecology Tree)

W Britt
Leatham
CSU San Bernardino (Marine Ecology Tree)

Arthur MillerX