"Thomas Cahill, professor emeritus of physics and atmospheric sciences, died from complications of cancer on April 30, 2019, in Davis. He was 82.
"During his five decades in research, Cahill delighted in applying his physics expertise to problems in the public sphere, especially those in environmental science. He engaged in battles to save Mono Lake, remove lead from gasoline, protect air quality in national parks, and safeguard first responders following the 2001 World Trade Center disaster."
Read more about Cahill's work and legacy in Becky Oskin's article, "In Memoriam: Thomas Cahill, professor emeritus of physics and atmospheric sciences"