Question: What role-playing game designer helped jumpstart William H. Keith's career?
Sentence (from "William H. Keith Jr. bibliography"): He has been writing under pseudonyms most notably as Ian Douglas: his military science fiction sagas "The Galactic Marines" saga, that's split in three trilogy-arks: Heritage Trilogy, Legacy Trilogy and Inheritance Trilogy as well as the "Star Carrier" saga and his cyber punk series "Cybernarc", written under the pen-name Robert Cain.
Relevant evidence: No