Among some of the sixty-four witnesses present are:
Nicholas Waln (1742-1813) - Quaker preacher and lawyer
David Evans (1730-1817) - Master builder, Carpenters Company
Joseph Bringhurst (1767-1834) - Wilmington, Delaware Postmaster appointed by Thomas Jefferson, 1802-1820. Successful Philadelphia merchant.
William Savery (1750-1804) - Preacher, Abolitionist. The son of Philadelphia cabinet maker William Savery and his wife, Mary Peters, both devout Quakers.
Isaac T. Hopper (1771-1852) - Abolitionist, Humanitarian. He set up a network in Philadelphia to help enslaved people, the Underground Railroad. He was greatly influenced by William Savery about his religious life intentions. He joined the Society of Friends at a young age in Philadelphia. Isaac's wife, Sarah, also signed the document.
Josiah White (1781-1850), a young nineteen year old here, would later become a Pennsylvania Pioneering Industrialist. At twenty-eight, he married Elizabeth White, daughter of Solomon White, who both signed this document. He and his partner, Erskine Hazard, were founders of the Lehigh Coal and Navigation Company.
Emoor Kimber(1775-1850) educator, publisher, and Quaker Minister, was a teacher in Philadelphia by 1799 and later wrote an arithmetic textbook. He established a printing and stationary partnership with Solomon White Conrad in 1806. His wife, Susanna, also signed the document.