Research interests: graph theory, graph embeddings, combinatorics, theoretical computer science

Education:

B.S. (Honors Mathematics) University of Michigan, 1972

Ph.D. (Mathematics) University of Michigan, 1979

Academic Work History:

University of Michigan, Department of Mathematics, Teaching Fellow, 1972-1978.

Miami University, Department of Mathematics

Assistant Professor, 1978 - 1982.

Associate Professor, 1982 - 1988.

Full Professor, 1988 - present.

University of Texas - Dallas, Visiting Professor, Dept. of Computer Science, Fall 1985.

University of California, Berkeley - Visiting Scholar,
Dept. of Electrical Engineering and Computer Science, and
participant at the Mathematical Sciences Research Institute (at Berkeley) year
of concentration in complexity theory, Spring 1986.