At the turn of the 20th century, Bernard Kroger and another upstart grocer come up with genius innovations that help invent the modern supermarket.

At a time when dog food is a rarity and cat food is almost nonexistent, it will take visionary innovators to invent the first dog treat, the first dry dog food, the first cat food, and many more innovations that will carve out the billion-dollar pet food industry, and solidify dogs and cats as part of the American family.