Frank Grützbach (b. 1943) is a German filmdirector, screenwriter, and writer; in the early 1970s he was the secretary of Heinrich Böll.

Five of the portraits were sent to Markstein courtesy of the Luchterhand Bildarchiv.

Among the enclosures are a copy of a letter of Turkina to Heeb along with Markstein's translation and a copy of a legal document whereby Solzhenitsyn transfers an automobile to his mother-in-law. Folder also includes a letter of Roger Straus (Farrar, Straus and Giroux) dealing with the translation of August 1914,.

In the letter Blake criticizes different aspects of the biography of Solzhenitsyn written by David Burg and George Feifer and published by Stein and Day.

Folders includes "a short explanatory note with regard to translations" dated July 22, 1972 as well as letters from Heeb to the editors of Die Zeit.

The enclosures consist of 2 letters from Markstein to Solzhenitsyn, which she asks Struve to forward.

Natalia Ivanovna Stoliarova (code name "Eva") worked as Ilya Ehrenburg's secretary and introduced Solzhenitsyn to Olga Carlisle.

Enclosures include copies of letters of Panin and Turkina as well as Solzhenitsyn's letter number 20 dated October 4, 1972 and dealing with the Reshetovskaia memoirs.

Rosain worked as a research assistant for Solzhenitsyn

Enclosures include copies of Solzhenitsyn's letter to Heeb numbered 21 (November 17, 1972) and a letter to Veronica Turkina dated September 28, 1972. Folder also includes another letter sent by Solzhenitsyn to Heeb; it was unnumbered and sent via unofficial channels.

Enclosures include copy of Solzhenitsyn's letter to Heeb numbered 22 (December 17, 1972) as well as Markstein's translation.

Olga Carlisle (b. 1931), the daughter of Vadim and Olga Andreev, met Solzhenitsyn in 1967. She acted as his literary agent in the West with regard to The First Circle. She was involved in the same capacity with The Gulag Archipelago before relations between her and Solzhenitsyn broke down.

Enclosures include copies of Olga Carlisle's letters to Heeb and to Solzhenitsyn as well as letters of Anthony Curto and Zhores Medvedev.

Enclosures include copies of letters from Solzhenitsyn to Heeb numbered 23 and 24 (February 23 and March 14 respectively) as well as a draft of a public statement with regard to Natalia Reshetovskaia, Solzhenitsyn's first wife.

Herbert is Fritz Heeb's son. Because Fritz was abroad, Markstein addressed the letter to the son.

Enclosures include a copy of a letter from Solzhenitsyn to Heeb numbered 25 (March 23, 1973) as well as translations of 2 unnumbered letters (March 17 and March 23).

Enclosure consists of a letter to the Mirovs concerning Solzhenitsyn; Reich was a former student of Markstein's, who was going to Moscow.

Elena Tsezarevna Chukovskaia (1931-2015) was both a chemist and a literary scholar; she was a close friend and supporter of Solzhenitsyn.