"You know what makes the rockets fly? Funding." - The Right Stuff.
What really made PARC work is that they were funded to develop the future of computing by building machines which were not cost-effective. It was too early in the mid-1970s to develop a commercially viable personal workstation. But it was possible to do it if you didn't have to make it cost-effective.
That's what I was told when I got a tour of PARC in 1975. They had the Alto sort of working, (the custom CRT making wasn't going well; the phosphor coating wasn't uniform yet) the first Ethernet up, a disk server, and I think the first Dover laser printer. All that gear cost maybe 10x what the market would pay for it. But that was OK with Xerox HQ. By the time the hardware cost came down, they'd know what to build.
Previous attempts at GUI development had been successful, but tied up entire mainframe computers. Sutherland's Sketchpad (1963)[1] and Engelbart's famous demo (1968)[2] showed what was possible with a million dollars of hardware per user. The cost had to come down by three orders of magnitude, which took a while.
Another big advantage which no one mentions is that Xerox PARC was also an R&D center for Xerox copiers. That's why they were able to make the first decent xerographic laser printer, which was a mod to a Xerox 2400 copier. They had access to facilities and engineers able to make good electronic and electromechanical equipment, and thoroughly familiar with xerographic machines.
Ah, the glory days of Big Science.
[1] https://www.youtube.com/watch?v=6orsmFndx_o
[2] https://www.youtube.com/watch?v=yJDv-zdhzMY
What really made PARC work is that they were funded to develop the future of computing by building machines which were not cost-effective. It was too early in the mid-1970s to develop a commercially viable personal workstation. But it was possible to do it if you didn't have to make it cost-effective.
That's what I was told when I got a tour of PARC in 1975. They had the Alto sort of working, (the custom CRT making wasn't going well; the phosphor coating wasn't uniform yet) the first Ethernet up, a disk server, and I think the first Dover laser printer. All that gear cost maybe 10x what the market would pay for it. But that was OK with Xerox HQ. By the time the hardware cost came down, they'd know what to build.
Previous attempts at GUI development had been successful, but tied up entire mainframe computers. Sutherland's Sketchpad (1963)[1] and Engelbart's famous demo (1968)[2] showed what was possible with a million dollars of hardware per user. The cost had to come down by three orders of magnitude, which took a while.
Another big advantage which no one mentions is that Xerox PARC was also an R&D center for Xerox copiers. That's why they were able to make the first decent xerographic laser printer, which was a mod to a Xerox 2400 copier. They had access to facilities and engineers able to make good electronic and electromechanical equipment, and thoroughly familiar with xerographic machines.
Ah, the glory days of Big Science.
[1] https://www.youtube.com/watch?v=6orsmFndx_o [2] https://www.youtube.com/watch?v=yJDv-zdhzMY