Robert E. Vardeman (born 1947) is an American science fiction and fantasy writer, best known for his series such as the 'War of Powers' series and the 'Stargate' series. With a background in physics, he worked as a technical writer before turning to full-time fiction. Vardeman's works are characterized by hard science fiction elements and fast-paced adventures, earning him a dedicated readership. Active from the 1970s to the early 2000s, he published over 50 novels, some translated into multiple languages. His writing blends scientific rigor with narrative excitement, contributing to his influence in the genre.