John Norman
Collie

UCL (Chemistry Tree)


Samuel
Smiles

UCL (Chemistry Tree)


Theodor
Zincke

University of Marburg (Chemistry Tree)


John Norman
Collie

UCL (Chemistry Tree)


William
Ramsay

UCL (Chemistry Tree)


Alfred Walter
Stewart

Queen's University Belfast (Chemistry Tree)


August
Kekulé

Ghent University (Chemistry Tree)


Adolf
von Baeyer

University of Munich (Chemistry Tree)


Hermann Emil
Fischer

Universität Berlin (Chemistry Tree)


Hans Thacher
Clarke

Columbia (Chemistry Tree)


Herbert S.
Anker

Chicago (Chemistry Tree)

Donald F.
Steiner

Chicago
(Options)

Donald SteinerX