Complex sentence: After the success of his first publicly successful drama "The Feast at Solhaug", Ibsen was invited to the Magdalene Thoresen's literary salon, and it was when he first met and fell in love with Susannah.
Split into simpler sentences: After the success of his first publicly successful drama "The Feast at Solhaug", Ibsen was invited to Magdalene Thoresen's literary salon. It was here he first met and fell in love with Susannah.