Abstract Dr. William Darlington (1782-1863) was a physician, botanist, politician, businessman, and philanthropist from West Chester, PA. Darlington earned a medical degree from the University of Pennsylvania. He practiced medicine, wrote books on botany, served as President of the Bank of Chester County, and ran successfully for three terms as a U. S. Congressman. The collection includes Darlington’s correspondence with many prominent political and botanical figures of his time; speeches and essays...