Call of Cthulhu: The Wasted Land is a role-playing game in the subgenre named after what author?
Call of Cthulhu: The Wasted Land: Call of Cthulhu: The Wasted Land is a Lovecraftian horror tactical role-playing game developed by Red Wasp Design in conjunction with Chaosium. Lovecraftian horror:  It is named after American author H. P. Lovecraft (1890–1937), who is largely credited as the first author to pioneer the genre.
H. P. Lovecraft