Gregory Dale Bear was an American writer and illustrator best known for science fiction. His work covered themes of galactic conflict, parallel universes, consciousness and cultural practices, and accelerated evolution. His last work was the 2021 novel The Unfinished Land. Greg Bear wrote over 50 books in total.

The Forge of God is a 1987 science fiction novel by American writer Greg Bear. Earth faces destruction when an inscrutable and overwhelming alien form of life attacks.