Vocation : Writers : Sci-Fi/ Fantasy/ Horror

Marcelo Del Debbio (born September 9, 1974) is a Brazilian architect (graduated from FAU-USP) and writer, with specialization in semiotics, history of art and world religions, best known from his several works in role-playing games, comparative mythology, comparative religion, esoteric and masonic texts.

André Ferreira da Silva (born January 10, 1975), better known by his pen name André Vianco, is a Brazilian best-selling novelist, screenwriter, and film and television director. Specialized in urban fantasy and horror, supernatural and vampire fiction, he rose to fame in 1999 with the novel Os Sete. As of 2016, his books have sold over a million copies, and in 2018 he was named, alongside Max Mallmann, Raphael Draccon and Eduardo Spohr, one of the leading Brazilian fantasy writers of the 21st century.

Pierre Christin (French: [kʁistɛ̃]; born 27 July 1938) is a French comics creator and writer.

Michael Allen McCollum (born 1946 in Phoenix, Arizona) is an American science fiction author and aerospace engineer. He graduated from Arizona State University, where he studied aerospace propulsion and nuclear engineering. He is employed by Honeywell in Tempe, Arizona. In 1997, he founded Sci Fi - Arizona, one of the first author-owned-and-operated virtual bookstores on the Internet. He also conducts writers workshops. Most of his novels have been published as audio books by Audible Inc. They have also been translated into German.

T. J. Bass, real name Thomas J. Bassler, MD (July 7, 1932 – December 13, 2011) was an American science fiction author and physician, having graduated from the University of Iowa in 1959. Bassler is also known for his controversial claim that nonsmokers who are able to complete a marathon in under four hours can eat whatever they wish and never suffer a fatal heart attack.John Robbins has noted that Jim Fixx approvingly quoted Bassler in his best-selling book, The Complete Book of Running. Fixx died from heart failure at 52 while running.Two of Bass' novels, Half Past Human (1971) and The Godwhale (1974), were nominated for the Nebula Award. In both his books the Hive was a three trillion population of 'nebishes' - humans who had four toes and all aggressiveness bred out of them.

Alan Edward Nourse (; August 11, 1928 – July 19, 1992) was an American science fiction writer and physician. He wrote both juvenile and adult science fiction, as well as nonfiction works about medicine and science. His SF works sometimes focused on medicine and/or psionics.
His most notable pen name was Doctor X. He used this pseudonym when writing for a medical column in a science fiction magazine, allowing him to combine his expertise in medicine with his passion for science fiction.