“Science breathes only one air, the oxygen of facts”: On the 120th anniversary of the birth of Academician V.V. Parin

March 18, 2023, marks the 120th anniversary of the birth of Academician of the USSR Academy of Sciences and Academician of the USSR Academy of Medical Sciences Vasilii Vasil’evich Parin (1903–1971), an outstanding scientist, one of the founders of space physiology and medicine, who made a great contribution to circulatory physiology, space cardiology, medical cybernetics, and in the field of practical astronautics, to medical support for the first human flights into space. His achievements as an organizer of medical science, national health care, and higher medical education are also significant. Careful preservation and development of the experience and knowledge accumulated by predecessors, implementation of innovative ideas, and transfer of scientific heritage to students and followers—this is how Academician V.V. Parin saw the connection between generations of scientists. In the history of world science, his name is rightfully present not only thanks to his pioneering research work but also through his lifelong demonstration of humanity, dedication, and devotion to spiritual and moral values.