Bernouilli, Jean

brother of the above, and like him an eminent mathematician, в. 1667. In 1695, he was appointed profe or of mathematics at Gröningen, and on the death of James he returned to Basle, where he succeeded him in the profe orship of mathematics. In 1714 he published a treatise on the management of ships; and in 1730, his memoir on the elliptical figure of the planets gained the prize of the Academy of Sciences. His writings were published at Geneva in 1742. D. 1748. BERNOUILLI, DANIEL, son of the last-named, and, like his father and uncle, highly skilled in mathematics. Among his works is to be noted the Traité de Hydro din am i que, the first treatise on that subject. He was member of the academies of Paris, Berlin, and St. Petersburg, and F.R.S. of London; B. 1700; D. 1782.-Other members of this family were also distinguished for their mathematical attainments, and it is stated that the list of foreign a ociates of the French Academy of Sciences constantly included the name of B. from 1699 to 1790.