Who invented white powder wonder shotgun?

The "White Powder Wonder" shotgun is a term associated with a specific type of shotgun modification that involves using a lightweight powder load to reduce recoil. While there isn't a single inventor attributed to this concept, it gained popularity among gunsmiths and firearm enthusiasts looking to enhance performance. The term may also be associated with various custom modifications made to shotguns over the years rather than a singular invention or inventor.