Klock, or Rick Crocker, is one of the founders of McDonald's. My first contact with McDonald's was at 1954, when I met a restaurant in San Bernardino, California, which was opened by Dick McDonald and Mark McDonald's brothers.

1955, 12 In April, Lakelock formally established the McDonald's chain company, and on April 15 of the same year, it opened the first McDonald's restaurant in the world in Des prance, Illinois, USA.