From PhysicsToday https://twitter.com/PhysicsToday on Twitter: Today is the birthday of Niels Bohr, who was born in Copenhagen, Denmark in 1885. Subscribers can read some memories of Bohr by J. Rud Nielson, written in 1963 at https://physicstoday.scitation.org/doi/abs/10.1063/1.3050558 The picture below is from the article (copyright AIP). https://twitter.com/PhysicsToday/status/1181299397507895296/photo/1 https://chirp.cooleysekula.net/attachment/61832