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Image of Marshall Brain, creator of howstuffworks.com and a professor at N.C. State
N.C. State University

North Carolina State University professor Marshall Brain grew up in southern California with a father who was a computer scientist at NASA during the agency's heyday.

Brain watched his father work on lunar excursion modules for the Apollo missions and later, major train systems in San Francisco and Atlanta.

In his spare time, he helped Marshall build a bubble machine out of spare parts. It was an enchanting childhood, and it is no wonder that Marshall was a curious boy who developed a love for all things mechanical.