Simplify the following text for a Grade 13 native English-speaking person.
Original: Further to the didactics of literary and dramatic content , Eisenstein taught the technicalities of directing , photography , and editing , while encouraging his students ' development of individuality , expressiveness , and creativity .
Simplified: Eisenstein also taught the specifics of directing , photography , and editing . He encouraged his students ' development of individuality , expressiveness , and creativity .