Date of Birth (not before): 1817-07-21

Date of Birth (not after): 1817-07-21

Date of Death (not before): 1883-04-05

Date of Death (not after): 1883-04-05

Additional information: Named the twelfth Surgeon General of the U. S. Army in August 1864, upon the court martial of William A. Hammond, and served until June 1882.