leibniz

noun

1. Gott·fried Wil·helm von [German gawt-freet vil-helm fuh n] /German ˈgɔt frit ˈvɪl hɛlm fən/, 1646–1716, German philosopher, writer, and mathematician.

1. German philosopher and mathematician who invented the mathematical processes of differentiation and integration, which greatly expanded the field of calculus. Leibniz also established the foundations of probability theory and conceived the idea for a practical calculating machine.