While working late one night in his lab, Alexander Graham Bell made a discovery of utmost importance. Our culture would not be the same had Mr. Bell not had the perseverance and dedication to his craft, which is really sad since so few people know he was the man responsible for such a culture-defining phenomenon.

Click to embiggen. (a lot)
The late-night taco vending service, originally located in the cafeteria of Bell Telephone, eventually expanded into an empire of its own. The rest is history.
[edit: comments were inexplicably bork. Hopefully it is fine now]