Rob Kristofferson is associate professor of history and social and environmental justice at Wilfrid Laurier University. He specializes in labour history and the history of capitalism and is the author of Craft Capitalism: Craftworkers and Early Industrialization in Hamilton, Ontario, 1840–1872 (2007) and (with Andrew Holman) More of a Man: Diaries of a Scottish Craftsman in Mid-Nineteenth-Century North America (2013), both published by the University of Toronto Press.

Simon Orpana is postdoctoral fellow in the Department of English and Film Studies at the University of Alberta, where his project uses graphic narrative to examine how dependency on fossil fuels shapes our relationships and ability to imagine a more equitable future. His writing on popular culture has appeared in numerous journals and book collections, including Zombie Theory: A Reader (University of Minnesota Press, 2017). He is co-author, with Rob Kristofferson, of the graphic history Showdown! Making Modern Unions (Between the Lines, 2016).