Original sentence: Franz Schreker (March 23, 1878 – March 21, 1934) was an Austrian composer and conductor
Edited sentence: Franz Schreker (March 23, 1878 – March 21, 1934) was an Austrian composer, conductor, teacher and administrator.In his lifetime he went from being hailed as the future of German opera to being considered irrelevant as a composer and marginalized as an educator