Out of interest, I came across an old usenet post from comp.sys.super posted by Eugene Miya: https://groups.google.com/g/comp.sys.super/c/5NhMr9spId4/m/O...

> Gordon Bell (after lunch, it's wonderful having God and Marshall McHulan here to correct one's self) emailed:

> I did build/invent the first UART in '61, made the Ethernet deal with Intel and Xerox to have LANs, and DECnet was the first commercial implementation or ARPAnet, so I have had a long term interest in communcations.

> Every notice that the bell rings when you push ctrl g on the old teletypes?

> Also, built first commercial timesharing system.