Svyatoslav Vladimirovich Vitman, primarily known under the pen name Svyatoslav Loginov (Russian: ????????? ???????, ????????? ???????????? ??????) (born October 9, 1951 in Ussuriysk, Russia (then Voroshilov, USSR)) is a Russian writer.
He writes mostly science fiction.His first publication was in 1975, in Uralsky Sledopyt (Ural Pathfinder) magazine.
Loginov defines himself as a convinced atheist.