5 September] 1912 – 26 July 1975) was a Russian poet, memoirist, artist, art critic, and translator of prose and poetry.

After returning to the USSR, Efron worked in the editorial board of the Soviet magazine Revue de Moscou (published in French).

She only learned afterwards about the death of her parents in 1941 (her mother committed suicide in the evacuation in Yelabuga, and her father was shot).

An actress of the camp theater, Tamara Slanskaya, managed to ask someone for an envelope so she could write her husband, Gurevich: "If you want to save Alya, try to rescue her from the North."

no, I would like to do some drawings with a pen, to try to have on paper certain characters the way I see them with my eyes, you understand, don't you, to capture them…Efron was again arrested on 22 February 1949 and sentenced, on the basis of her previous conviction, to a life in exile in the Turukhansky District of the Krasnoyarsk Krai.

Tarusa is a small town 102 km from Moscow which had been a popular place for writers and artists, including Marina Tsvetayeva's parents who had had a villa there.

During the Soviet era, many members of the dissident intelligentsia had settled in Tarusa, as they were forbidden to live less than 100 km from Moscow.

She had also produced a lot of translations of poetry, mainly the works of French poets, such as Victor Hugo, Charles Baudelaire, Paul Verlaine, Théophile Gautier, etc.