He then traveled in Europe and studied modern European theater practices with Edward Craig in Florence.
From 1916 to 1918 Hume was director of the newly formed Arts and Crafts Theater in Detroit, Michigan, part of the Little Theatre Movement.
He then went to Europe and collaborated with Parisian architect and set designer Walter René Fuerst on the book Twentieth Century Stage Decoration.
[citation needed] In 1927 in Paris he met and married Portia Bell, a fellow Berkeley graduate who was studying sculpture with Antoine Bourdelle.
[citation needed] Portia Bell Hume became a psychiatrist, taught at the University of California, San Francisco and Berkeley, and established psychiatry clinics in both cities.