Career
Born and raised in Fort Atkinson, Wisconsin, Endl later moved to Janesville, from where he was inducted into the United States. Army in April 1941. By July 11, 1944, he was serving in New Guinea as a staff sergeant in the 32nd Infantry Division. During a Japanese attack on that day, near Anamo, he single-handedly held off the advance until several wounded comrades could be rescued.
He was killed while carrying the last wounded man to safety.
Endl, aged 28 at his death, was buried at Saint Joseph Catholic Cemetery in Fort Atkinson, Wisconsin. His platoon leader wounded, By his persistent and daring self-sacrifice and on behalf of his comrades.