Installation view of Hard Edges: Lorser Feitelson, Elise Ferguson, and Alois Kronschlaeger (Cristin Tierney Gallery, New York, March 1 - April 14, 2018). From left to right: Alois Kronschlaeger, Untitled, 2018; Elise Ferguson, Bristol, 2018; Lorser Feitelson, Magical Space Forms, 1962. Photograph by John Muggenborg.