Lynn Margulis, who created Chelsea Green's Sciencewriters Books imprint along with her son, Dorion Sagan, in 2006, died on November 22 at the age of 73. Chelsea Green has published eight books in the Sciencewriters Books imprint, including three authored or co-authored by Margulis: Luminous Fish: Tales of Science and Love; Dazzle Gradually: Reflections on the Nature of Nature (with Dorion Sagan); and Mind, Life and Universe: Conversations with Great Scientists of our Time (with Eduardo Punset). Margulis was the author, editor, or coauthor of chapters in more than forty books. At the time of her death, Margulis was distinguished university professor in the department of geosciences at the University of Massachusetts at Amherst. She received the 1999 National Medal of Science from Bill Clinton and, in 2008, she received the Darwin-Wallace Medal, given every 50 years by the Linnean Society of London.