Complex sentence: Following the success of "Hindle Wakes", Houghton left his office job in 1912 to become a full-time dramatist and moved to London, where he became part of the city's dramatic and literary culture.
Split into simpler sentences: Following the success of "Hindle Wakes", Houghton left his office job in 1912 to become a full-time dramatist and moved to London. Here he became part of the city's dramatic and literary culture.