Courses
Foundations for Higher Mathematics; Calculus I and II; Introduction to Topology and Modern Analysis I and II

Research Interests
General topology: structure of metric spaces with certain properties from descriptive set theory, such as absolute k-analytic sets; possible connections to the axioms of set theory

Selected Publications: 

Nonstandard  Calculus, Proceedings of the 1979 Wheaton College Conference on the Foundations of Mathematics, Wheaton College (1980), 41-60.

K-Discreteness and K-analytic Sets, Canadian Journal of Mathematics XXXII (2), 1980, 331-341.

Borel Sets of Exact Class (with R. McDowell and E. McHugh), Colloquium Mathematicum XLI (2), 1979, 187-191.

Images of B(k), Fundamenta Mathematicae XCIX (1978), 73-78.

Cardinalities of Metric Completions, Fundamenta Mathematicae LXXVII (1973), 275-280.