Elsa Devienne is an assistant professor of American civilization at Paris-Nanterre University. Her research focuses on the history of the United States in the 20th century, and more specifically the fields of environmental history, urban history, and the history of the body, gender and sexuality. She is currently working on a book that details the social and environmental history of Los Angeles’ beaches in the 20th century. She is the co‑author, with Lisa Brawley, of D’après nature : Frederick Law Olmsted et le Park Movement américain (Paris, Éditions Fahrenheit, 2014).