The story
Named after the British physicist Douglas Hartree (1897–1958).
Etymology from Wiktionary, CC BY-SA 4.0.
hartree
Today it means: The atomic unit of energy, defined as 2R_∞hc, where R_∞ is the Rydberg constant, h is the Planck constant and c is the speed of light. It equals 4.35974 attojoules. Full definition →