Elon Musk turns 50: a look back(14 images)

Co-founder of SpaceX, Tesla Motors and PayPal, engineer and entrepreneur Elon Musk turns 50 on Monday. Here's a look back at his life through the years.

President Barack Obama (C) tours the commercial rocket processing facility of Space Exploration Technologies, known as SpaceX, along with CEO Elon Musk at Cape Canaveral Air Force Station in Cape Canaveral, Fla., on April 15, 2010. Photo by Bill Ingalls/NASA | License Photo
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