40. Late-1940s: William Rosenberg starts out in business
The founder of Dunkin’ Donuts, William Rosenberg, started a catering company using bonds he’d acquired in World War Two. His business supplied food to factory workers in Massachusetts. In order to deliver snacks to his customers, Rosenberg used remodeled taxicabs, making an early version of the catering trucks that are still in use in the modern day.
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