This set of color blocks is compositional study named after the two mathematicians who are recognized for discovering calculus.
It was certainly Isaac Newton who first devised a new infinitesimal calculus and elaborated it into a widely extensible algorithm, whose potentialities he fully understood; of equal certainty, differential and integral calculus, the fount of great developments flowing continuously from 1684 to the present day, was created independently by Gottfried Leibniz.
— Hall 1980: 1
Part one of a Two-part set.