"C" is one of the most widely used programming languages of all time. Prof Brian Kernighan wrote the book on "C", well, co-wrote it - on a visit to the University of Nottingham we asked him how it came about. "Most Difficult Program" - Ackermann Function: http://youtu.be/i7sm9dzFtEI Computer That Changed Everything - Altair 8800: https://youtu.be/6LYRgrqJgDc Factory of Ideas - Working at Bell
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