Template:Selected anniversaries/October 25
From Gnomon Chronicles
1647: Physicist and mathematician Evangelista Torricelli dies. He invented the barometer, made advances in optics, and worked on the method of indivisibles.
1713: Gottfried Leibniz, in a letter to Johann Bernoulli, observed that an alternating series whose terms monotonically decrease to zero in absolute value is convergent.
1928: Computer scientist, astronomer, and academic Peter Naur born. He will contribute to the design, structure, and performance of computer programs and algorithms.
