Complex sentence: He finished his education there and became a member of "Daneshkadeh literary society" where he worked with Mohammad Taghi Bahar (ملك الشعراء بهار) for a while.
Split into simpler sentences: He finished his education there and became a member of "Daneshkadeh literary society". There he worked with Mohammad Taghi Bahar (ملك الشعراء بهار) for a while.