The Writer's Almanac - Saturday, February 16, 2019 - a podcast by Prairie Home Productions
from 2019-02-16T09:00
::
::
On this date in 1937, Wallace Carothers and DuPont Chemical Company were granted a patent for the synthetic polymer called nylon.
Further episodes of Garrison Keillor's Podcast
Further podcasts by Prairie Home Productions
Website of Prairie Home Productions