Pavel Vezhinov (Bulgarian: ????? ???????) (November 9, 1914 – December 2, 1983), born Nikola Delchev Gugov (Bulgarian: ?????? ?????? ?????), was a Bulgarian science fiction writer.He was one of the very first Bulgarian science fiction authors, writing many books, articles and movie scripts. Vezhinov is perhaps best known for his 1977 novel Barierata (Barrier), written after the death of his first wife. He is also known with his book Nights with the White Horses (filmed) as well as the screenplay for the Bulgarian film classic Three Reservists (1971). Vezhinov is one of the authors to be taught in Bulgarian schools.