Thomas Treloar, chairman and professor of mathematics at Hillsdale College, delivers a lecture on the foundational nature of Euclid’s The Elements.

This is the first in a series of shows from presentations delivered at the Hoogland Center for Teacher Excellence seminar, “The Art of Teaching: Mathematics.” The Hoogland Center is an outreach of the Hillsdale College K-12 Education Office and offers seminars in classical academics and pedagogy for teachers of any background.