MEGAN MARSHALL is the winner of the 2014 Pulitzer Prize in Biography for Margaret Fuller , and the author of The Peabody Sisters , which won the Francis Parkman Prize, the Mark Lynton History Prize, and was a finalist for the Pulitzer Prize in 2006. She teaches narrative nonfiction and the art of archival research in the MFA program at Emerson College. For more, visit www.meganmarshallauthor.com .