Background
Hammel was born in Germany on September 20, 1840, and entered service at Saint Louis, Missouri.
Hammel was born in Germany on September 20, 1840, and entered service at Saint Louis, Missouri.
He was awarded the Medal of Honor for extraordinary heroism, while being a Sergeant in Battery A, 1st Missouri Light Artillery, on April 28 and 29, 1863, on board the steamer Cheeseman at Grand Gulf, Mississippi. He died at the age of 62, on November 29, 1902, and was buried at the Bellefontaine Cemetery in Saint