Robert C. Baron, the founder and president of Fulcrum Publishing, is a historian, scientist, and the author or contributor to 25 books including Pioneers and Plodders: The American Entrapreneurial Spirit. He was program manager for the Mariner II (Venus) and the Mariner IV (Mars) onboard space computers. In 1971, he founded Prime Computer, which became one of the Fortune 500 largest American companies, and was its first president and chief executive officer, building a worldwide business. He lives in Colorado.