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In an appendix to his major work “Discourse” in the 17th century, Descartes introduced a version of analytic geometry – in which algebra is used to solve geometric problems.

Once Johnson completed the standard mathematics curriculum at West Virginia State College, Claytor created advanced classes just for her, including a course on analytic geometry.

The subject that grew out of this critical insight, analytic geometry, is essential to understanding calculus; yet our students are coming out of high school unable to graph straight lines or parabolas.

It was like a bell sounding, taking her back to the course on the analytic geometry of space that Dr. Claytor had created for her.

But her expertise in analytic geometry propelled her to the space task group, which was comprised of white males who did not welcome her with open arms.