From PhysicsToday https://twitter.com/PhysicsToday on Twitter: Andrei Sakharov, Soviet theoretical physicist and outspoken advocate for nuclear disarmament and human rights, was born #OTD 1921 in Moscow http://physicstoday.scitation.org/doi/10.1063/1.881252 https://twitter.com/PhysicsToday/status/1130826528022040577/photo/1 https://chirp.cooleysekula.net/attachment/57943