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Lettow on Brooks honouring the 90th anniversary of KEI's birth | Chasing Men Who Stare at Arrays

Lettow on Brooks honouring the 90th anniversary of KEI’s birth

As they say in rock and roll, “You can’t always get what you want… but you just might find you get what you need…”

When Ken Lettow asked me if he could swing down to North Carolina for my interview with Professor Fred Brooks,  I answered with a resounding and emphatic, “NO!”

You gotta love Ken.  Persistence is his middle name.  He then proceeded to convince me that he would not bring havoc to my film set and in fact, he would make himself useful.  And a short training session later…   I have a  sound engineer and set photographer all in one enthusiastic bundle  of a subject matter expertise.   In short, a much appreciated helping hand.

In honour of the 90th anniversary of Ken Iverson’s birth Ken Lettow sent out a wonderful account of our adventure to North Carolina to the J-Chat forum:

As [KEI and Prof Brooks] developed course material for the class,  Ken began to formalize the notation that came to be known as APL, the “the blackboard version” as Eugene McDonnell once so aptly put it.  Their collaboration ultimately resulted in the publication of two books, Ken Iverson’s “A Programming Language”,  in 1962 and “Automatic Data Processing” by Iverson and Brooks, published in 1963.  They also became lifelong friends during this period.

You can read Ken’s  full text here.  He’s also posted a great set of photos.

Happy holidays everyone.  May the Force be with you always.

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1 Response to “Lettow on Brooks honouring the 90th anniversary of KEI’s birth”


  • Perhaps “May the floor be with you,” an invocation to stable times, and of course a reference to Alt+F.

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