Gregory Dale Bear (born 1951) is an American science fiction and mainstream author. His work has covered themes of galactic conflict (Forge of God books), artificial universes (The Way series), consciousness and cultural practices (Queen of Angels), and accelerated evolution (Blood Music, Darwin's Radio, and Darwin's Children).
Greg Bear. Wikipedia.
Photo: Photo of science fiction writer Greg Bear taken at the World Science Fiction Convention in Glasgow (photo by Geoffrey A. Landis, August 2005). Photo source: Wikimedia Commons.