
David Y. Weiss was a soldier trained in how to use guns-and how easily they can be misused. After his military service, he went on to work in engineering and logistics and was granted a patent on an idea that would help to prevent a gun's accidental discharge. In the decades...

David Y. Weiss was a soldier trained in how to use guns-and how easily they can be misused. After his military service, he went on to work in engineering and logistics and was granted a patent on an idea that would help to prevent a gun's accidental discharge. In the decades...