Colin Maclaurin
lived from
1698 to 1746

Colin Maclaurin was a Scottish mathematican who published the first systematic exposition of Newton's methods, written as a reply to Berkeley's attack on the calculus for its lack of rigorous foundations.

He is best known for his version of Taylor's Theorem -- discovered before Taylor.

See more at:   http://www-history.mcs.st-andrews.ac.uk/Biographies/Maclaurin.html