Chelsea Quinn Yarbro is an American writer of over eighty books (including historical horror novels about Count Saint-Germain), more than seventy works of short fiction, and more than three dozen essays, introductions, and reviews. She also composes serious music.
Thomas Nicholas Scortia was born in Alton, Illinois. In 1949, he received a degree in chemistry from Washington University in St. Louis. He went on to work for a number of aerospace companies, while writing in his spare time. In the early 1970s, he left his job to write full-time. He died of leukemia in California in 1986.