But he was also hard - working and creative himself , and highly valued by most of the students .
Sternberg was a forceful and demanding teacher and his students , mostly G.I. 's and many already married , worked long hours in the studios .
Sternberg was also hard - working and creative himself , and highly valued by most of the students .
Sternberg was a forceful and demanding teacher and his students , mostly G.I. 's and many already married , worked long hours in the studios .