Arthur Gordon
Webster

Clark University




C. L. Ferdinand
Lindemann

Universität München


Arnold Johannes Wilhelm
Sommerfeld

Universität München


Christian
Christiansen

Copenhagen University






Niels
Bohr

Copenhagen University


Otto
Sackur

University of Breslau (Chemistry Tree)


Albert
Einstein

Princeton


Max
Born

Edinburgh


Otto
Stern

Carnegie Institute of Technology





Geoff L.
Greene

University of Tennessee, Knoxville
(Options)

Matthew M
Musgrave

University of Tennessee, Knoxville

Geoff GreeneX