?


Frank Johnson
Goodnow

Johns Hopkins (PoliSci Tree)


Georg Christian
Burchardi

University of Kiel (History of History Tree)


Theodor
Mommsen

Berlin Academy of Sciences


August
Boeckh

Universität Berlin (Neurotree)


Johann Gustav
Droysen

Christian-Albrechts-Universität zu Kiel (History of History Tree)
?






Herbert L.
Osgood

Columbia (History of History Tree)

Charles A.
Beard

Columbia
(Options)

Kenneth Milton
Stampp

UC Berkeley (History of History Tree)

Joel
Williamson

UNC Chapel Hill (History of History Tree)

Leon
Litwack

UC Berkeley (History of History Tree)

Robert H.
Abzug

UT Austin (Literature Tree)

William E.
Gienapp

Harvard (Nursing Tree)

Daniel Walker
Howe

Oxford (History of History Tree)

Carlton J. H.
Hayes

Columbia (History of History Tree)

Tsiang
Tingfu

Tsinghua University (History of History Tree)

Jacques
Barzun

Columbia (History of History Tree)

Charles BeardX