Bob Olodort kept a tape recorder in his car, where many of his ideas struck. A self-described “technologist artist,” Olodort as a young man was a curious and independent inventor who spent his free ...

When Bill Buxton worked at Xerox’s Palo Alto Research Center in the early 1990s, he examined the classic children’s homemade telephones: two cups connected by a taut string. He wondered why that same ...