Under pressure from Sakharov, the Soviet regime permitted Yelena Bonner to travel to the West in 1975, 1977 and 1979 for treatment of her wartime eye injury. When Sakharov, awarded the 1975 Nobel Peace Prize, was barred from travel by the Soviet authorities, Bonner, in Italy for treatment, represented him at the ceremony in Oslo.

Bonner became a founding member of the Moscow Helsinki Group in 1976. When in January 1980