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A comment on Dijkstra: “You will be treated as grown-ups”. Parent comment

Re:Dijkstra: “You will be treated as grown-ups” by greenyoda on Sunday July 14, 2013 @03:24PM (#6041885)
And let's not forget his work on concurrent processes: he invented the concept of the semaphore, which is still widely used almost fifty years later.

https://en.wikipedia.org/wiki/Semaphore_%28programming%29

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Re:Dijkstra: “You will be treated as grown-ups” by fnordfnordfnord on Sunday July 14, 2013 @03:35PM (#6041923)
>he invented the concept of the semaphore,

I think he may have borrowed that from the railroads, even if he didn't invent it independently though, he was smart enough to see its usefulness and apply it.

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