John L. Heilbron is professor of history and Vice Chancellor Emeritus at the University of California, Berkeley, as well as an Honorary Fellow of Worcester College, Oxford. After training in physics, he studied history of science under T. S. Kuhn in the 1960s, when Kuhn was writing The Structure of Scientific Revolutions. He is the recipient of several prizes and honorary degrees from multiple universities. His books include The Incomparable Monsignor, Niels Bohr: A Very Short Introduction, Galileo, and Love, Literature, and the Quantum Atom (with Finn Aaserund), on Bohr's 1913 trilogy of scientific papers.