Karl
Mayer

Rheinische Friedrich-Wilhelms-Universität Bonn (Neurotree)


Karl Asmund
Rudolphi

Universität Berlin (Neurotree)


Johannes Peter
Müller

Universität Berlin (Neurotree)


Hermann
von Helmholtz

Physikalisch-Technische Reichsanstalt


Henry A.
Rowland

Johns Hopkins


Eilhard
Mitscherlich

Universität Berlin


Jöns Jacob
Berzelius

Karolinska (Chemistry Tree)


Joseph Louis
Gay-Lussac

Jardin des Plantes, Paris


Heinrich Gustav
Magnus

Universität Berlin




Heinrich
Rubens

Universität Berlin

Robert Williams
Wood

Johns Hopkins
(Options)

William George
Fastie

Johns Hopkins (Astronomy Tree)

Joseph Haines
Moore

UC Berkeley (Astronomy Tree)

Paul Willard
Merrill

Mount Wilson Observatory (Astronomy Tree)

Charles Donald
Shane

Lick Observatory (Astronomy Tree)

Peter
van de Kamp

Swarthmore (Astronomy Tree)

Theodor Siegumfeldt
Jacobsen

University of Washington

Harrison Shepler
Mendenhall

Oklahoma State University (Astronomy Tree)

Arthur Bambridge
Wyse

Lick Observatory (Astronomy Tree)

Daniel Magnes
Popper

UCLA (Astronomy Tree)

A. Hermann
Pfund

Johns Hopkins

William George
Fastie

Johns Hopkins (Astronomy Tree)

Earle Keith
Plyler

UNC Chapel Hill




Haldan Keffer
Hartline

Rockefeller (Neurotree)

Alexander
Ellett

University of Iowa

James Alfred
Van Allen

University of Iowa

Earle Keith
Plyler

UNC Chapel Hill





T. Morris
Sugden

Cambridge (Chemistry Tree)

Robert WoodX