Probably the greatest inventor of firearms, his designs are still front line equipment in the militaries of the world today.
I refer to him as St. John
He created the first Auto-loading shotgun, the A5, in 1898. It was sold as designed for 100 years until the stopped production in 1998.
Created the Winchester Model 1982
He created the iconic '1911' pistol in 1906, and it was adopted by the US Army in 1911
Created the M1919 .30 machine gun, used by Jeeps and tanks in WWII.
The Browning M2 .50 machine gun, Found in aircraft like Spitfire, Hurricane, Mustang, B-17, and even F-86 Sabre.
It serves on the M1A1 tank today...
Link to picture of all his weapons!