Dorion Sagan

Dorion Sagan (b. 1959 in Madison, Wisconsin) is an American science writer, essayist, and theorist. He has written and co-authored many books on culture, evolution, and the history and philosophy of science, most recently "The Sciences of Avatar: from Anthropology to Xenology" and "Death and Sex," which won first place at the 2010 New York Book Show in the general trade nonfiction category. His Into the Cool, co-authored with Eric D.Schneider, is about the relationship between non-equilibrium thermodynamics and life. Sagan is the son of astronomer Carl Sagan and biologist Lynn Margulis. His younger brother is Jeremy Sagan and his half-brother is Nick Sagan.