<div dir="auto">When I was a graduate student in computer science at the University of Pittsburgh (Pitt) in the early seventies, there was no one to teach a graduate course in operating systems.  At that time, the issues were multiprogramming, deadlocks, interprocess communication, etc.  They decided to hire an MIT professor to fly to Pittsburgh once a week to teach OS in a three hour class.  They chose John Donovan, an Irish Bostonian who said that he had earned 7 graduate degrees in two and a half years at Yale and MIT.  He worked extensively with Corbato and was constantly saying, "Cahbato and I..."<div dir="auto"><br></div><div dir="auto">Thanks for your indulgence of the elderly.</div><div dir="auto"><br></div><div dir="auto">Frank<br><div dir="auto"><br><div data-smartmail="gmail_signature" dir="auto">-----------------------------------<br>Frank Wimberly<br><br>My memoir:<br><a href="https://www.amazon.com/author/frankwimberly">https://www.amazon.com/author/frankwimberly</a><br><br>My scientific publications:<br><a href="https://www.researchgate.net/profile/Frank_Wimberly2">https://www.researchgate.net/profile/Frank_Wimberly2</a><br><br>Phone (505) 670-9918</div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jul 14, 2019, 11:03 AM Tom Johnson <<a href="mailto:tom@jtjohnson.com">tom@jtjohnson.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><a href="https://www.nytimes.com/2019/07/12/science/fernando-corbato-dead.html" target="_blank" rel="noreferrer">https://www.nytimes.com/2019/07/12/science/fernando-corbato-dead.html</a></div>
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