Daniel Jones died (4/12/1967)

As I said in 2018:
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September 12 - Daniel Jones (1881)
First learned phonetics from William Tilly (an Australian!)
at Marburg, then from Paul Passy and Henry Sweet.
1917: - first linguist in the western world to use the term
"phoneme" in its current sense (in "The phonetic structure of the
Sechuana Language")
- first edition of _Pronouncing Dictionary of English_
in which "Received Pronunciation" (RP) is described, and the
Cardinal Vowel diagram first appears.
"Collins and Mees [biographers] speculate that it is Jones,
not as is often thought Henry Sweet, who provided George Bernard Shaw
with the basis for his fictional character Professor Henry Higgins in
Pygmalion.*
He was still alive and working until 1967, when I was already a
linguistics student.
https://en.wikipedia.org/wiki/Daniel_Jones_(phonetician)
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[2024 note:] The Collins/Mees book is called "The Real Professor Higgins". I haven't read it, but PTD had, and he was sure the issue was settled: Higgins was (based on) Jones. More recently I think I cited Sarah Ogilvie, in her 2023 book "The Dictionary People", saying that there was no single "real Higgins"; the character was a composite of various phoneticians Shaw had met, including Henry Sweet and A.J.Ellis.