Background
Dahlgren, John Adolphus Bernard was born on November 13, 1809 in Philadelphia, Pennsylvania, United States. Son of Bernard Ulric and Martha (Rowan) Dahlgren.
Dahlgren, John Adolphus Bernard was born on November 13, 1809 in Philadelphia, Pennsylvania, United States. Son of Bernard Ulric and Martha (Rowan) Dahlgren.
10 children, including Captain Charles Bunker, Lieutenant Paul, John Vinton, Ulric, Eric. Appointed acting midshipman United States Navy, 1826, passed midshipman, 1832, Lieutenant, 1837. Assigned to make observations of solar eclipse, 1836.
On leave to undergo treatment for oncoming blindness, 1837-1843.
Patented percussion lock, 1847. Chief bureau of Ordnance, Washington, District of Columbia, 1847-1863, 68-69, established ordnance system used by United States Navy during Civil War.
Formulated and equipped Navy Ordnance Yard, Washington. Inventor 11 inch Dahlgren gun.
Introduced boat howitzers to navy, 1850.
Commissioned commander, 1855, captain, 1862, rear admiral, 1863. Commanded South. Atlantic blockading squadron, 1868. Professor gunnery United States Naval Academy.
Member of American Association for the Advancement of Science.
Commander.
Assigned to make observations of solar eclipse, 1836. Chief bureau of Ordnance, Washington, District of Columbia, 1847-1863, 68-69, established ordnance system used by United States Navy during Civil War.
Member of American Association for the Advancement of Science.
Married Mary C. Bunker, January 8, 1839. Married second, Sarah Madeleine Vinton Goddard, August 2, 1865.