Original: Eisenstein's first film, Glumov's Diary (for the theater production Wiseman), was also made in that same year with Dziga Vertov hired initially as an "instructor."
Simplified: Eisenstein's first film, Glumov's Diary, was also made in that same year. Dziga Vertov hired at first as an "instructor" for the film The film formed part of his theater production Wiseman.