General > General Technical Chat

Was Don Lancaster really a "guru"?

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rhb:

--- Quote from: coppice on December 30, 2020, 04:23:23 am ---
--- Quote from: rhb on December 30, 2020, 01:37:22 am ---I'd like to suggest you read the paper Joseph Fourier presented in 1810-1812.  It led Gauss to remark, "If that's true you can synthesize any arbitrary function."

--- End quote ---
It also allowed Gauss to work out an FFT algorithm and then promptly bury the information so it only came to light well after Cooley and Tukey had published their paper on a similar form of FFT algorithm.

--- End quote ---


I had the pleasure of meeting an old geophysicist who “invented” the FFT before Cooley & Turkey.  It’s just a reordering of addition and multiplication after scaling to the interval minus Pi to Pi.  There is now a record in the literature on some of the people who did this.  They were better mathematicians than most and simply thought the idea was obvious to anyone who did their calculations with a desk calculator.

jonpaul:
Don and his wife are fine folks, retired but still active.

His "cookbooks" were very good introductions to many electronic topics.

He can be considered a guru as he was pioneer in several fields and popularized knowledge with his handbooks,

Jon

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