frank beyersdorf teaches European and transnational German history at both the Free University and Humboldt University in Berlin. His current research at the University of Mannheim analyzes how international media actors tried to create global information orders between 1919 and the early 1950s. He has published on the League of Nations, international journalism, the Cold War, and Internet governance. frank.beyersdorf@gmail.com

richard r. john is Professor of History and Communications at the Columbia Journalism School. His publications include Network Nation: Inventing American Telecommunications (Cambridge, Mass.: Belknap Press of Harvard University Press, 2010; paperback 2015) and Spreading the News: The American Postal System from Franklin to Morse (Cambridge, Mass.: Harvard University Press, 1995; paperback 1998). rrjohn@columbia.edu

simone m. müller is Assistant Professor for North American History at Freiburg University. Her research covers global history, economic history, and the history of science and technology. Her book Wiring the World: The Social and Cultural Creation of Global Telegraph Networks is forthcoming from Columbia University Press. simone.mueller@geschichte.uni-freiburg.de

craig n. murphy is the M. Margaret Ball Professor of International at Wellesley College. He is collaborating with JoAnne Yates on a history of engineers and the global industrial standardization movement since 1900. His earlier work focused on the emergence of global governance and the political economy of development. cmurphy@wellesley.edu

hugh richard slotten is Senior Lecturer in the Media, Film, and Communications Department at the University of Otago, New Zealand. He is the editor in chief of the recently published two-volume Oxford Encyclopaedia of the History of American Science, Medicine, and Technology (Oxford University Press, 2014). He has published extensively on the history of communications, including most recently Radio’s Hidden Voice: The Origins of Public Broadcasting in the United States (2009). hugh.slotten@otago.ac.nz

heidi tworek is Lecturer on History at Harvard University. From summer 2015, she will be Assistant Professor in International History at the University of British Columbia. She received the Herman E. Krooss Prize for the best dissertation in business history and has published articles in German History, Journalism Studies, and Enterprise & Society. hevans@fas.harvard.edu

joanne yates is Sloan Distinguished Professor of Management and a Professor of Managerial Communication, and Work and Organization Studies at the MIT Sloan School of Management. Her earlier work, Structuring the Information Age: Life Insurance and Technology in the Twentieth Century (2008), examines the coevolution of organization with information technologies and genres of communication. She is currently working with Craig N. Murphy on a history of engineers and the global industrial standardization movement. jyates@mit.edu