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: Una carrera de éxito se vio ensombrecida por el hecho de que a Zinoviev se le restringió la salida, aunque el científico fue invitado en repetidas ocasiones a eventos en el extranjero.
reference_flipped: Una carrera de éxito se vio ensombrecida por el hecho de que a Zinoviev se le restringió la salida, aunque la científica fue invitada en repetidas ocasiones a eventos en el extranjero.