some unofficial, USSR, artists in their studios

Painter Evgeny Rukhin, studio's yard, Leningrad (SPB), 1972,Painter Evgeny Rukhin in studio, Leningrad (SPB), 1972,
Petr Belenok's studio and painting detail, 1974, Petr Belenok in studio, 1974.
Photo and Information: Igor Palmin

Some unofficial, USSR, artists in their studios

I discovered these Images originally uploaded by Igor Palmin and found them striking and mesmerizing, I want to know more about these artists, about their work and lives.
Painter Lidia Masterkova at home-studio,1968,Painted Vasily Sitnikov 1969, and Dmitri Plavinsky, 1975,
Photo and information: Igor Palmin