Born in Vienna in 1924, Lis (Novak) Gaul graduated from Hunter College in 1944 and received her Ph.D. in 1948 at Harvard University with a dissertation on the consistency of Gӧdel’s axioms for class theory. She taught at Wellesley College, Radcliffe, and Boston University, and from 1952 to 1957 at the University of California at Berkeley and was a member of the staff of the Institute for Advanced Study in Princeton. In 1957 she joined the Mathematics Department at Cornell University. She was promoted to Associate Professor in 1962 and to Professor in 1965. She was the first woman to receive tenure in this department. Lis lived in Ithaca for many years. In 1977, she moved to Minnesota, where she taught in the Art and Women’s Studies Department of the University of Minnesota. She is now Associate Professor Emerita at the University of Minnesota. Lis learned lithography from Geri Cogan (later at Minneapolis College of Art and Design) and Gerald Kuepps at the University of Minnesota. Her lithographs have been shown in many different exhibits.