Ludolph
van Keulen

Leiden (Physics Tree)


Johannes
Kepler

Prague, Linz (Physics Tree)


Tycho
Brahe

Prague (Astronomy Tree)




Joseph Justus
Scaliger

Leiden (LinguisTree)


Thomas
Erpenius

Leiden (LinguisTree)


Jacob
Gool

Leiden (LinguisTree)
?


Marin
Mersenne

Academie Parisienne (Physics Tree)


Frans
van Schooten, Jr.

Leiden (Physics Tree)


John
Craig

University of Basel


Paul
Wittich

University of Leipzig (Astronomy Tree)


Duncan
Liddel

Julius-Universität Helmstedt


Martinus
Stenius

University of Uppsala (Physics Tree)



Olof
Rudbeck, Sr.

Uppsala
(Options)

Olof Rudbeck, Sr.X