Kroc was also noted for aggressive business practices, compelling the McDonald brothers to leave the fast food industry.

The McDonald brothers originally got into the fast food business selling which tasty items?

He wrote to the McDonald brothers about opening a franchise.

In fact, the McDonald brothers could have never dreamed of some of the places their humble logo would turn up years later.

Before the McDonald brothers invented their fast-food production system, some restaurants did make food pretty quickly.

The McDonald brothers' changes also applied to the design of the restaurant kitchen.

The McDonald brothers wanted eight of them.

Many of the chains that copied the McDonald brothers' ideas still exist - they serve everything from tacos to chicken.

Differences between Hogan and the McDonald brothers, however, had already surfaced in the autumn of 1906.

He subsequently purchased the chain from the McDonald brothers and oversaw its worldwide growth.