Jacob Bernoulli (1654 –1705) was one of the many prominent mathematicians in the Bernoulli family. Jacob Jacques Bernoulli was a Swiss mathematician and astronomer who was one of the first to fully utilize differential calculus and introduced the term integral in integral calculus. Jacob Bernoulli's first important contributions were a pamphlet on the parallels of logic and algebra (1685), work on probability in 1685 and geometry in 1687. His geometry result gave a construction to divide any tri