Background
Spencer was descended from Thomas Spencer, an early settler of Hartford, Connecticut, who died in 1687. Spencer was born there, the youngest but one of eleven children. His father, a farmer, died while Spencer was young, and he thereafter moved to Granville, Washington County, New York, where he engaged in manual labor for something like a year.
Education
Graduate Union College, 1822.
Career
Around 1786, Spencer"s father moved to the Rupert, Bennington, County, Vermont. Those who knew Spencer in his youth contended that "he belonged to the class of careless, thoughtless, and gay young men". During this year, a revival of religion visited this town, and Spencer became a Christian.
He was encouraged to enter the ministry, and undertook to do southern
He entered Union College in 1819, graduating in 1822. He considered a career in law, and spent some time studying for the bar, but ultimately decided to become a minister, and was licensed as such in November, 1826.
Spencer remained in Brooklyn for the rest of his life, where he wrote extensively, and "published verbatim reports of pastoral conversations that other ministers could use as a guide". Spencer has been categorized as pro-slavery, and among his most prominent works was The Religious Duty of Obedience to the Law, which specifically called for obedience to the Fugitive Slave Law, contending that resistance to the slave law constituted "positive rebellion against government.
And either the resistance must be crushed, or the government be overturned".