Marcia F. Bartusiak is an author, journalist, and Professor of the Practice Emeritus of the Graduate Program in Science Writing at the Massachusetts Institute of Technology. Trained in both communications (B.A. from American University, 1971) and physics (M.S. from Old Dominion University, 1979), she writes about the fields of astronomy and physics. Bartusiak has been published in National Geographic, Discover, Astronomy, Sky & Telescope, Science, Popular Science, World Book Encyclopedia, Smithsonian, and MIT Technology Review. The author of seven books, she is also a columnist for Natural History magazine.