Mark A. Cheetham, PhD, FRSC, is the author of books, volumes, and articles on topics ranging from Immanuel Kant and Art History to abstract art to Postmodernism in Canada. His two books on abstract art offer new understandings of this radical form over its 100+-year history (The Rhetoric of Purity: Essentialist Theory and the Advent of Abstract Painting; Abstract Art Against Autonomy: Infection, Resistance, andCure since the '60s.) Landscape into Eco Art: Articulations of Nature since the ‘60swas published in 2018. Active as a curator of contemporary and historical art, he recently presented Struck by Likening: The Power & Pleasure of Artworld Analogiesat the McMaster University Museum of Art (2017). He is a professor of art history at the University of Toronto.