In 1979, two M.I.T. computer-science alumni and a Harvard Business School graduate launched a new piece of computer software for the Apple II machine, an early home computer. Called VisiCalc, short ...

Grace Hertlein’s collection is “a kaleidoscopic snapshot of the early decades of an art historical and technological phenomenon.” Courtesy Sotheby's It’s Geek Week at Sotheby’s—the auction house’s ...