There is something of the 19th century about Eric Raymond. Devoted to making commercial solar-powered aircraft, he would have thrived in the Victorian heyday of the private inventor. Most fell by the wayside; their ideas outran their ability or their money. But the names of the successes-Morse, Dunlop, Bell, Diesel and even, to stretch the era into the early 20th century, the brothers Wright-have lived on.
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