Shuttleworth made his fortune after starting an Internet security firm in his parents' garage and selling it four years later for hundreds of millions of dollars.

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Fifty years and hundreds of millions of dollars later, it's still thriving.

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Fourteen years later, and after investing hundreds of millions of dollars and enduring years of criticism from skeptics in the industry, Netsuite now finds itself as one of the handful of business application providers who are offering a full suite of mature and time-tested, cloud-based applications to the SMB market.

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It was during this period, particularly the 15 later years he spent at DeWitt, that he created hundreds of drawings and collages.

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