Thomas Charles
Hope

University of Glasgow, University of Edinburgh (Neurotree)


James
Woodhouse

Penn (Chemistry Tree)


Robert
Hare

Penn (Neurotree)


Benjamin
Silliman, Sr.

Yale (Chemistry Tree)


James Dwight
Dana

Yale (Terrestrial Ecology Tree)


Edward Thomson
Nelson

Ohio Wesleyan (Terrestrial Ecology Tree)

John Merle
Coulter

Chicago
(Options)

Charles Joseph
Chamberlain

Chicago (Plant Biology Tree)

John Nathan
Martin

Iowa State (Plant Biology Tree)


Ralph Works
Chaney

UC Berkeley (Geotree)

George E.
Nichols

Yale (Terrestrial Ecology Tree)

Walter Pace
Cottam

(Terrestrial Ecology Tree)

Arthur G.
Vestal

(Terrestrial Ecology Tree)

May Theilgaard
Watts

(Terrestrial Ecology Tree)

George W.
Martin

University of Iowa, Iowa City, IA (Evolution Tree)


William Skinner
Cooper

UMN (Terrestrial Ecology Tree)

George Damon
Fuller

(Terrestrial Ecology Tree)

Arthur Laurence
Bakke

Iowa State (Plant Biology Tree)

Paul Bigelow
Sears

Yale (Terrestrial Ecology Tree)

Elbert L.
Little

(Terrestrial Ecology Tree)

James Bertram
Overton

UW Madison (Plant Biology Tree)

James Geere
Dickson

U.S. Department of Agriculture (Plant Biology Tree)

William H.
Crocker

Chicago (Terrestrial Ecology Tree)

Charles Orval
Appleman

University of Maryland (Chemistry Tree)

Sophia H.
Eckerson

Chicago (Terrestrial Ecology Tree)

Charles Albert
Shull

Chicago (Terrestrial Ecology Tree)

George K.K.
Link

Chicago (Plant Biology Tree)

Ezra Jacob
Kraus

Chicago (Terrestrial Ecology Tree)

Thomas Guthrie
Phillips

Ohio State (Plant Biology Tree)

John James
Willaman

UMN (Chemistry Tree)

John
Woodard

Chicago (Chemistry Tree)

Scott Verne
Eaton

Chicago (Plant Biology Tree)

Reginald Ruggles
Gates

Chicago (Evolution Tree)

David Guthrie
Catcheside

Cambridge (Evolution Tree)

Lester W.
Sharp

Cornell (DevTree)

Lowell Fitz
Randolph

U.S. Department of Agriculture (Plant Biology Tree)

Barbara
McClintock

University of Missouri, Cold Spring Harbor Laboratory (FlyTree)

George Wells
Beadle

Caltech (FlyTree)

Loren Clifford
Petry

Cornell (Geotree)

Harlan Parker
Banks

Cornell (Geotree)

John Nathan
Martin

Iowa State (Plant Biology Tree)

Edward Franklin
Castetter

Univ. of New Mexico (Plant Biology Tree)

John Theodore
Buchholz

UIUC (Plant Biology Tree)

James Morton
Schopf

U.S. Geological Survey (Geotree)

Martin
Gibbs

Brandeis (Plant Biology Tree)

John CoulterX