> Celia Kirwan, a close friend of Orwell, who had just started working as Robert Conquest's assistant at the IRD, visited Orwell in March 1949, at a sanatorium where he was being treated for tuberculosis. Orwell wrote a list of names of people he considered sympathetic to Stalinism and therefore unsuitable as writers for the Department, and enclosed it in a letter to Kirwan.

See https://en.m.wikipedia.org/wiki/Orwell%27s_list