In the field of curtain rods.
Joking aside, the Glock is a great gun, but Glock is first and foremost a businessman, whereas JMB was an absolute prodigy in firearms design. He was instrumental in reshaping how guns were made.
Glock just figured out how to make a strong, simple, reliable design very inexpensively. Whether you're selling guns, floss, car parts, or IKEA furniture, that's a recipe for success.
As the above poster noted, the Glock operates on Browning principles. That ought to answer it right there.