[1] In 1837 Galt answered the call by Elijah Lovejoy (American abolitionist and newspaper publisher) to attend the Anti-Slavery Convention in Upper Alton, Illinois.
At the convention, Galt, Edward Beecher (brother of Harriet Beecher Stowe) and other attendees countered attempts by Illinois Attorney General Usher Linder to derail the proceedings.
[4] He held meetings of the Sangamon County Anti-Slavery Society at Center Presbyterian Church.
[6] Galt was reportedly a Sangamon County "conductor" of the Underground Railroad.
He died on September, 12th 1857 and is buried in Farmington Cemetery near the unincorporated community of Farmingdale, along with Sarah and other family members.