Moderated by President Baltimore, authors discussed their books on gene mapping and the possibility of evolutionary design in humans and the cosmos. After their presentations they answered audience members' questions.

Professor Diamond wrote, Guns, Germs and Steel: The Fates of Human Societies, published by Norton. Ms. Cole wrote, The Hole in the Universe: How Scientists Peered Over the Edge of Emptiness and Found Everything, published by Harcourt Brace. Mr. Ridley wrote, Genome: The Autobiography of a Species in 23 Chapters, published by HarperCollins. President Baltimore wrote, Lymphocyte Development: Cell Selection Events and Signals During Immune Ontogeny.