Sarto Esteves
Icilio Federico Joni
Robert Greenhalgh Albion
Len Harvey
Franklin Steiner
Finis Ewing Engleman
Edward George Roelker
Helen M. Barton
Martin Buber
Joseph Gregory Wolber
Egon Lambert
Romano Guardini
Étienne Buisson
Stephen Rynne
Pamela Hansford Johnson
James Virgil Howe