During college, I worked for a year at an IBM facility right next to the Columbia campus. Garwin had an office there with a big safe. The safe had a sign on it saying "Capacitance-Operated Alarm—Keep 4 foot distance". Now I know why… https://flipboard.com/@newyorktimes/home-page-91uottdbz/-/a-6XJ6S70-SUy-3LkCQAGhkg%3Aa%3A3195393-%2F0
A Scientist Fighting Nuclear Armageddon Hid a 50-Year Secret

Enrico Fermi’s battle with cancer was nearing its end in late 1954 when he received a visitor. Fermi, a Nobel laureate in physics, had fled fascism in Europe and become a founder of the nuclear age, helping bring the world’s first reactor and first atom bomb to life. The visitor, Richard L. Garwin, …

The New York Times - By William J. Broad
@SteveBellovin any chance for sharing the "why"? This is paywalled.
@rysiek He designed the first H-bomb, but kept his role secret for many years.
Dick Garwin Fought Nuclear Armageddon. He Hid a 50-Year Secret.

Richard Garwin’s role in designing the hydrogen bomb was obscured from the public, even his family, as he advised presidents and devoted his life to undoing the danger he created.

The New York Times