... At present, he is a Leading researcher at the Department of Non-Stationary Stars and Stellar Spectroscopy, heading the group of the General Catalogue of Variable Stars. Catalogues of variable stars are being compiled in USSR/Russia since 1946 on behalf of the International Astronomical Union. Since then, four editions of the General Catalogue of Variable Stars (GCVS) and several catalogues of suspected variable stars (the most recent one, 1981) have appeared. ...