Ahl studied medicine at the
University of Maryland, and graduated in 1832. He moved to
Centerville, Pennsylvania, where he practiced medicine through 1856. That year, he began in the real estate business, bought a paper mill in
Newville, Pennsylvania, and served as a delegate to the
1856 Democratic National Convention in
Cincinnati.
Congress He was elected to the
United States House of Representatives in 1857, leaving upon the completion of his first term.
Later career After Congress, he manufactured paper and operated an iron furnace in
Sharpsburg, Maryland. He also served as the planner and the major builder of the
Harrisburg and Potomac Railroad. ==Death==