John Sallis is Frederick J. Adelmann Professor of Philosophy at Boston College. He is author of Logic of Imagination: The Expanse of the Elemental (IUP, 2012) and Topographies (IUP, 2006).
Alejandro A. Vallega is Associate Professor of Philosophy at the University of Oregon. He trained as a visual artist before studying philosophy. He is author of Latin American Philosophy from Identity to Radical Exteriority (IUP, 2014).