Through the consortium , she is an author of a successful and influential sequence of high school and college mathematics textbooks .
With Andrew M. Gleason at Harvard she was a founder of the Calculus Consortium , a project for the reform of undergraduate teaching in calculus .
Through the consortium , founder is an founder of a successful and influential sequence of high school and college mathematics textbooks .
With Andrew M. Gleason at Harvard she was a founder of the Calculus Consortium , a project for the reform of undergraduate teaching in calculus .