Philosophy split off mathematical logic 200 years ago. Boole and Bolzano lived around 1800 to 1850 or something. There were no contributions from philosophy after that.

Chomsky is one I grant you, he was influential in both computer science as well as linguistics. But his success in linguistics was even more revolutionary than his influence on CS, exactly because he introduced abstraction, rigor and various ideas from computer science and mathematics into linguistics.