Johann Bernoulli
Johann Bernoulli (6 August 1667 – 1 January 1748) was a Swiss Calvinist mathematician. Several men in his family were mathematicians, including his brother Jacob Bernoulli. He is known for his work on infinitesimal calculus, and teaching Leonhard Euler when he was young.
Johann Bernoulli Media
Commercium philosophicum et mathematicum (1745), a collection of letters between Leibnitz and Bernoulli.
Illustration from De motu corporum gravium published in Acta Eruditorum, 1713