Later he was president of the Female College in Hopkinsville, Kentucky.
Keen was born in Philadelphia in 1815 and studied at Hamilton College, 1834–38.
In 1837 he attended the Baptist convention in Philadelphia when he was a resident of New Jersey.
[2] Keen delivered several speeches that were deemed important enough to be published, including "The Co-Operation of the Churches with the Ministry,"[3] Characteristics of the Times, Strong Incentives to Intellectual Effort, which was an address to the literary societies at Howard College (now Samford University) in Marion Alabama in 1850[4] and Elements of a Church's Prosperity: A Sermon, Delivered in the St. Francis St. Baptist Church, Mobile, November 18th, 1849.
[5] In 1860 he delivered a commencement address at Wake Forest in North Carolina.