Henry Bradford
Nason

RPI (Marine Ecology Tree)


Alexander
Winchell

University of Michigan (Terrestrial Ecology Tree)






Rollin D.
Salisbury

Chicago (GeograTree)


Julius
Stieglitz

Chicago (Chemistry Tree)









Manfred Reinhard
Strecker

Universität Potsdam
(Options)

Bodo
Bookhagen

Universität Potsdam

Manfred StreckerX