Bratya Mormarevi (Brothers Mormarevi) is alias of Marko Stoychev and Moritz Yomtov. Marko Stoychev was a writer, novelist, playwright. Marco Kanchev Stoychev was born on September 12, 1931 in Varna, Bulgaria. He graduated in English Philology In Sofia University (1953). He has written (together with Moritz Yomtov): "War of the Hedgehogs," "Task with many unknowns" (novel for children) - 1976; "Vasco da Gama from the village Rupcha" (novel for teenagers) - 1982; "Men without a mustache" (novel) - 1988; "Bobby's head" (tales) - 1989. He is co-author together with Moritz Yomtov of scripts for movies: "Hedgehogs enjoy spineless" (1971), "Family vacation" (1972), "Poor man's Summer" (1973), "Exams at any time "(1974)," Farsighted for Two Diopters "(1976)," War of the Hedgehogs "(1979)," The Double "(1980)," Vasco da Gama from the village Rupcha "(1986)," 13th fiancée of the Prince "(1987) and others. He had the title "Honored culture". He received Silver Medal and Second award for the film "Hedgehogs are born without spines" of Moscow International Film Festival (1971); First Prize for the film "Examinations at any time" (Gijon, Spain - 1974); Award of Union of Bulgarian Filmmakers for Children's cinema for the film "War of the Hedgehogs" (1979); Award for Best Screenplay for the movie "The Double" (Varna, 1980); First Prize for Television serial "Vasco da Gama from the village Rupcha" (Varna, 1986) and Union of Bulgarian Filmmakers' Award for Children's cinema for the same movie (1986). He has a Son - Kancho Stoychev (sociologist). Moritz Albert Yomtov was born on May 11,1921 in Sofia. He graduated chemistry in Sofia (1949). He died on June 15,1992 in Israel.