Sagan, Dorion, 1959-

Dorion Sagan (born 1959) is an American essayist, fiction writer, poet, and theorist of ecology. He has written and co-authored books on culture, art, literature, evolution, and the history and philosophy of science, including Cosmic Apprentice, Cracking the Aging Code, and Lynn Margulis: The Life and Legacy of a Scientific Rebel (the last, about his mother). His book Into the Cool, co-authored with Eric D. Schneider, is about the relationship between non-equilibrium thermodynamics and life. Sagan's works have been translated into 15 languages and are widely cited in critical theory since The Nonhuman Turn, in New materialism, and in feminist science studies. Sagan is a son of astronomer Carl Sagan and biologist Lynn Margulis. He has four siblings. His half-brother Nick Sagan is a science-fiction writer.