For quite a while, according to his wife...who has a good sense of humor, too.
"Remembering Sherry Rowland: Scientist, Citizen, and Savior of the Ozone Layer"| NRDC
"Ozone Hole: How We Saved the Planet"| PBS SoCal
https://www.pbssocal.org/shows/ozone-hole-how-we-saved-planet
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