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Dennis Hart Mahan Edit Profile

army officer , engineer , educator

Dennis Hart Mahan, American army officer, engineer, educator. member academic board; member Geography Society of Paris (France).


Mahan, Dennis Hart was born on April 2, 1802 in New York City. Son of John and Mary (Cleary) Mahan.


Graduated from the United States Military Academy, 1824. A.M., Brown U., 1837, Doctor of Laws, 1852. A.M., Princeton, 1837.

Doctor of Laws, College William and Mary, 1852, Dartmouth, 1867. married Mary Okill, June 25, 1839.


Assistant professor mathematics United States Military Academy, 1824-1825, assistant professor engineering, 1825-1826, assistant professor civil and military engring, 1829-1832, professor, 1832-1871, dean faculty, 1838, senior member academic board. Sent by War Department to Europe to study public works, military instns., attended School Application for Engineers and Artillery, Metz, France. An original incorporator National Academy Sciences, 1863.

Commissioner on board engrs. to find route for Wheeling & B. & O. R.R., 1850. Member Geography Society of Paris (France). Overseer Thayer School of Engineering.

Dartmouth, 1871.


Member academic board. Member Geography Society of Paris (France).


John Mahan

Mary (Cleary) Mahan