Complex sentence: Joans was also deeply involved in Surrealism, at first becoming close to his childhood hero Salvador Dali, then soon breaking with him and leaving for for Paris, where he was welcomed into the circle of André Breton.
Split into simpler sentences: Joans was also deeply involved in Surrealism, at first becoming close to his childhood hero Salvador Dali, then soon breaking with him. In Paris, he was welcomed into the circle of André Breton.