Gilbert N.
Lewis

UC Berkeley


Niels
Bohr

Copenhagen University (Physics Tree)




Alfred O.C.
Nier

UMN (Physics Tree)


Arthur J.
Dempster

Chicago (Physics Tree)


Mark G.
Inghram

Chicago (Physics Tree)


Gerald J.
Wasserburg

Caltech (Physics Tree)


Donald J.
DePaolo

UC Berkeley

Rosemary C.
Capo

University of Pittsburgh
(Options)

Candace L.
Kairies

University of Pittsburgh

Rosemary CapoX