Roi Wagner Editor & Author

Victor J. Katz is professor of mathematics emeritus at the University of the District of Columbia. Menso Folkerts is professor emeritus of the history of science at the Ludwig Maximilian University of Munich. Barnabas Hughes is professor emeritus of secondary education at California State University, Northridge. Roi Wagner is a research fellow at the Minerva Humanities Center at Tel Aviv University. J. Lennart Berggren is professor emeritus of the history of mathematics at Simon Fraser University in Canada.