Mary Lynn Johnson is the co-author, with Brian Wilkie, of Blake's "Four Zoas": The Design of a Dream (1978); co-editor, with Seraphia D. Leyda, of Reconciliations: Studies in Honor of Richard Harter Fogle (1983); and compiler of the Blake chapter in The English Romantic Poets: A Review of Research and Criticism (4th ed.,1985), ed. Frank Jordan, Jr. She contributed to The Cambridge Companion to William Blake (2003), ed. Morris Eaves; Physiognomy in Profile (2005), ed. Melissa Percival and Graeme Tytler; Women Read William Blake (2006), ed. Helen P. Bruder; and Blake in Our Time: Essays in Honour of G. E. Bentley, Jr. (2010), ed. Karen Mulhallen. Before serving as Special Assistant to the President of the University of Iowa (1983-2000), she held faculty positions at Louisiana State University, University of Illinois, and Georgia State University.