Author Рюмкин Яков Ильич Description Yury Gagarin with his wife Valentina Ivanovna: May 1961: published for the first time. - (April 12 - World Day of Aviation and Cosmonautics). / Ryumkin, I. - -. - 605: Open space. . Source of the electronic copy: Moscow OGNB Catalogue object СССР в 1953 Межпланетная среда Collections Outer Space → Soviet and Russian pilot-cosmonauts → Yuri Alexeevich Gagarin (1934–1968) → Graphic materials