Karl
Weierstrass

Universität Berlin


Ernst Eduard
Kummer

Universität Berlin (MathTree)


Leo
Königsberger

Universität Heidelberg (MathTree)


Adolf
Moberg

Univ. Helsinki (Astronomy Tree)


Fredrik
Woldstedt

Univ. Helsinki


Lorenz
Lindelöf

Univ. Helsinki (Astronomy Tree)


Peter Andreas
Hansen

Gotha Observatory


Otto Wilhelm
von Struve

Pulkovo Observatory (Astronomy Tree)


Hugo
Gyldén

Stockholms observatorium (Astronomy Tree)


Max
Wolf

Universität Heidelberg


George Howard
Darwin

Cambridge (MathTree)


Andrew Russell
Forsyth

Cambridge (MathTree)


Edmund Taylor
Whittaker

Cambridge (MathTree)


James
Glaisher

Cambridge (FlyTree)


Arthur
Cayley

Cambridge (MathTree)


James Whitbread Lee
Glaisher

Cambridge (FlyTree)


James Hopwood
Jeans

Cambridge (FlyTree)


Walter William
Rouse Ball

Cambridge (MathTree)


Robert Hjalmar
Mellin

Helsingin yliopisto (MathTree)


Ernest William
Barnes

Cambridge (MathTree)


Augustus Edward Hough
Love

Oxford (MathTree)


Edmund Taylor
Whittaker

Cambridge (MathTree)


G H (Godfrey Harold)
Hardy

Cambridge (Neurotree)


Walter Morley
Fletcher

Cambridge (Physiology Academic Tree)


John Newport
Langley

Cambridge (Neurotree)




Edward Arthur
Milne

Oxford (MathTree)


Heinrich
Vogt

University of Jena

Hermann
Lambrecht

University of Jena
(Options)

Karl-Heinz
Schmidt

Universität Jena

Thomas
Henning

Universität Heidelberg (Astronomy Tree)

Hermann LambrechtX