Carl
Pulfrich

Carl Zeiss AG


Adolf August
Winkelmann

Universität Jena


John Oren
Reed

University of Michigan




L.C.H. Friedrich
Paschen

Universität Tübingen


Harrison McAllister
Randall

University of Michigan


James Murle
Cork

University of Michigan


Henry A.
Rowland

Johns Hopkins













Baldwin Rapier
Curtis

University of Michigan
(Options)

Baldwin CurtisX