Gottfried Wilhelm Leibniz was a German polymath active as a mathematician, philosopher, scientist, and diplomat. Alongside Isaac Newton, he is widely credited with the invention of calculus. He is also credited with making foundational contributions to other areas of mathematics, such as binary arithmetic and statistics. July 1, 1646 – November 14, 1716; died at 70. Alive at the same time as Johann Sebastian Bach, Voltaire, Benjamin Franklin, John Locke, and Rembrandt. Wiki link