the rev. simpson was appointed professor of natural science and elected vice-president of allegheny college, meadville, pennsylvania. in 1838 he was elected professor, and in 1839 president of the newly established indiana asbury university (now depauw university) in greencastle, indiana, remaining until 1848. the rev. simpson was then elected editor of the "western christian advocate", which he made a strong temperance and anti-slavery organ, from 1848 to 1852.