Jenks studied medicine with Dr. Benjamin Rush, graduating in 1804[1][6] with a diploma from the University of Pennsylvania.[7] He began the practice of medicine under Dr. Isaac Chapman of Wrightstown Township.[7] He was elected a junior member of the Philadelphia Medical Society in 1803.[8] His thesis was An essay on the analogy of the Asiatic and African plague and the American yellow fever.[7][9] He was the first president of the Bucks County Medical Society.[7]
In 1817, Jenks submitted a bill in the Pennsylvania House to make a new county called Penn from the lower portion of Bucks County.[2] On December 1, 1818, Jenks came in last in a vote for the speaker of the Pennsylvania House with one vote. (The speaker elected was Rees Hill with 74 votes. Other votes were: John Purdon - 9, Samuel Bond - 1, and William N. Irvine - 1).[13] On December 7, 1819, he came in second in a vote for speaker with 21 of the 93 votes cast. (The speaker elected was Joseph Lawrence with 56 votes. Other votes were: Rees Hill - 14, Wilson Smith - 1, and William Lehman - 1).[14][15]
Other activities
He served as a trustee of the Bucks County Academy at Newtown.[16]
In 1825, he was among the leaders of another movement to create Penn County from a portion of Bucks County.[17]
Jenks was one of the original founders of St. Luke's Protestant Episcopal Church in Bucks County[18] in 1836.[19]
He was president of the Newtown Whig Meeting (which took place on August 23, 1844) for the Election of 1844. Estimates of the number of people attending ranged from 8,000 to 20,000.[21]
^ abcd"Interesting Celebration By Doctors Of Bucks County Sixtieth Anniversary of Medical Society Brings Out Facts". Trenton Evening Times. December 8, 1908. p. 8.
^"Medical Society". City Gazette. March 24, 1803. p. 2.