Jacob Abbott (1803-1879) was an American author, pastor, and professor. Born Jacob Abbot Ⅲ, he later added a "t" to the end of his name in order to break away from being "the third". Abbott began his career as a professor of mathematics and philosophy at Amherst college in Massachusetts. He became a licensed preacher in 1826, and later went on to become the founder and pastor of the Eliot Congregational Church. Jacob Abbott wrote many works, including biographies, religious books, and juvenile fiction. By the end of his career, he co-wrote thirty-one titles, and authored one-hundred and eighty books on his own.