Complex sentence: Notably, he was a member of the "Proletarian Poets", an association formed with Winchevsky, Morris Rosenfeld, David Edelstadt, and Joseph Bovshover.
Split into simpler sentences: Notably, he was a member of the "Proletarian Poets". An association formed with Winchevsky, Morris Rosenfeld and David Edelstadt and Joseph Bovshover.