Marshall Brain is most widely known as the founder of HowStuffWorks.com. He is also know as the host of the National Geographic Show "Factory Floor with Marshall Brain", as the author of more than a dozen books, as a TEDx speaker, and as a well-known public personality with the ability to deliver complex material in a way that is easily understood by audiences of all types. He has been featured on everything from CNN and Good Morning America to The Oprah Winfrey Show. His latest book is "The Doomsday Book" from Sterling Publishing.