Manifesto on the Teaching of Mathematics
Being a declaration of the principles on which these works are based.
Intuitive Infinitesimal Calculus
Being a textbook instantiating the aforementioned philosophy.
History of Mathematics
A brief introduction including many readings from original sources.
A brief course for visual thinkers.
Containing assorted remarks on the foregoing subjects.
Who is the illustrious author of these perceptive writings?