Star magnitudes. An introduction to astronomy. 1868. Internet Archive
Einstein’s notes on electrodynamics in four dimensions, from his Zurich notebook.
Structure of the radium atom. Drawing by Niels Bohr, 1922.
“If one is a research worker, one mustn’t believe in anything too strongly; one must always be prepared that various beliefs one has had for a long time may be overthrown.”
– Paul Dirac, quoted in The Strangest Man: The Hidden Life of Paul Dirac, Mystic of the Atom, p. 376. Graham Farmelo, Basic Books, 2009.
People in the 70s were so dramatic