Keay Davidson is an award-winning American science journalist and nonfiction author known for making complex scientific ideas accessible to general readers. He has spent decades covering science for major newspapers, including the San Francisco Examiner and the San Francisco Chronicle, where he has written extensively on astronomy, physics, and the culture of science. Davidson is the author of several acclaimed books, among them Wrinkles in Time, co-written with Nobel laureate George Smoot, which chronicles the discovery of the cosmic background radiation, and Carl Sagan: A Life, a widely praised biography noted for its balance of scientific insight and personal portraiture. His work has earned honors from organizations such as the American Association for the Advancement of Science and the National Association of Science Writers. Davidson’s writing is distinguished by intellectual rigor, narrative clarity, and a thoughtful examination of science within its broader social and historical context.