>>865-866
M氏は、超有名なあの人かな？
S氏は、不勉強で浮かばない・・

(参考)
https://en.wikipedia.org/wiki/Joseph_J._Kohn
Joseph J. Kohn
Joseph John Kohn (May 18, 1932 – September 13, 2023) was a Czechoslovakian-born American academic and mathematician. He was professor of mathematics at Princeton University,
where he researched partial differential operators and complex analysis.

Since 1968, he had been a professor at Princeton University, where he served as chairman from 1993 to 1996. He was a visiting professor at Harvard (1996–97), Prague, Florence, Mexico City (National Polytechnic Institute), Stanford, Berkeley, Scuola Normale Superiore (Pisa, Italy), and IHES (France).

Kohn's work focused, among other things, on the use of partial differential operators in the theory of functions of several complex variables and microlocal analysis. He has at least 65 doctoral descendants.

In 1966, he was an invited speaker at the International Congress of Mathematicians in Moscow ("Differential complexes").

Awards and honors
Kohn won the AMS's Steele Prize in 1979 for his paper Harmonic integrals on strongly convex domains.

Literature
Bloom, Catlin, D´Angelo, Siu (Herausgeber) Modern methods in complex analysis. Papers from the conference honoring Robert Gunning and Joseph Kohn on the occasion of their 60th birthdays held at Princeton University 1992, Princeton University Press (PUP) 1995