Stan's science legacy

We received a wonderful email today from Gopal Chenoy, a long-time colleague of Stan's from Argonne days who we Ruby kids remember well from his many meals and overnight visits at our home. His message said that the physics journal Hyperfine Interactions would be publishing a tribute to Stan's work in physics written by himself, John Arthur, and Gennaddi Smirnov, two other colleagues. He attached pdfs of the author's proofs of the article, which are reproduced here.

The article puts Stan's legacy as a physicist as clearly as anything we have seen. Here are some excerpts:

His most recognized work from this period [early 1960s] was on the acoustic modulation of the wavelength of resonant gamma radiation, detected using the Mössbauer effect. During a visit to the Weizmann Institute in 1962, he observed the 9.3keV Mössbauer resonance in Kr83.

Stan wil lbe best remembered for his proposal in 1974 to excite the 14.4keV Mössbauer resonance in Fe57 using synchrotron radiationrather than a radioactive source to populate the nuclear excited state. Although it was the group of Erich Gerdau that first achieved this goal in 1985 at DESY, Stan and the SSRL group followed in 1987 and proceeded to make important contributions to this new field.

Fundamental physics was central to Stan’s life, though his interests ranged from cosmology to biology. While he allowed that quantum mechanics was useful for calculations, he found it very unsatisfactory on a philosophical level. During his later career, and especially after his retirement, he worked hard to find simple, alternative explanations for quantum phenomena.

As well as reviewing Stan's scientific accomplishments, the article gives an appreciation of him as a co-worker and man in the world. After the article appears in the journal, I'll put up a link to it or reprint the text. Gopal says he has also submitted a proposal for a longer article on Stan's science legacy that has not yet been accepted for publication.

All of this was wonderfully timely, since we're observing Stan's Jahrzeit this week. Joanne has lately visited with several of Stan and Helga's close friends. She and I will go to synagogue to say kaddish tomorrow. I'll ask Joanne if she wants to post some of her thoughts.

In the meantime, thanks so much to Gopal for this unexpected gift today.

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