context: He rather sharply and emotionally criticized his predecessors and opponents, but he treated students warmly, seeing them as like-minded people, communicated informally, took them to exhibitions, to the cinema, to cafes.
source: A successful career was overshadowed by the fact that Zinoviev was in fact restricted to leave, although the scientist was repeatedly invited to foreign events.
reference_original: Uma carreira de sucesso foi obscurecida pelo fato que Zinoviev era de fato impedido de sair, embora o cientista fosse repetidamente convidado a eventos no estrangeiro.
reference_flipped: Uma carreira de sucesso foi obscurecida pelo fato que Zinoviev era de fato impedida de sair, embora a cientista fosse repetidamente convidada a eventos no estrangeiro.