Hans Bak is Emeritus Professor of American Literature and American Studies at Radboud University, the Netherlands. He is the author of Malcolm Cowley: The Formative Years (1993) and the editor of The Long Voyage: Selected Letters of Malcolm Cowley, 1915-1987 (2014); he is now writing a biography of Cowley. He has published widely on 20th-century American and Canadian fiction, drama, biography, multiculturalism, and the discipline of American studies. His research interests include contemporary American and Canadian literature (Native American and First Nations literatures), instruments of culture, and the reception of North American literature and culture in Europe. Céline Mansanti is an Associate Professor at the University of Picardie-Jules Verne, France. She works on the cultural history of the United States and its relationships with Europe, especially in the periodicals of the first half of the 20th century. She wrote her PhD on transition magazine, which was published in 2009 under the title La Revue transition (1927-1938), le modernisme historique en devenir. In 2011, she co-edited, with Hélène Aji and Benoît Tadié, Revues modernistes, revues engagées, 1900-1939. She is also the co-editor of Early American Surrealisms (with Anne Reynes-Delobel, 2017).