Jacob Bernoulli
was born 363 years ago
6th January 1655

Jacob Bernoulli was the first to use the term integral. He studied the catenary, the curve of a suspended string. He was an early user of polar coordinates and discovered the isochrone.


Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Biographies/Bernoulli_Jacob.html