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Johann Jakob Balmer

! scientist · # tag · @ author
1825–1898 · spectroscopy, mathematics, physics
Swiss mathematician and school teacher who accidentally discovered a simple formula describing the spectral lines of hydrogen. Not being a professional physicist, Balmer became fascinated by the mystery of the visible spectrum and found an elegant mathematical pattern, which became the key to Bohr's atomic model and the birth of quantum mechanics.

Biography

He studied mathematics and physics at the University of Basel, where he later taught geometry. He spent most of his career as a teacher at a girls' secondary school. His famous 1885 paper was done at the suggestion of a physicist friend. Member of the Swiss Physical Society. Despite the importance of his discovery, Balmer never held a professorship in physics.

Key discoveries

💡 Balmer studied the hydrogen spectrum as a hobby at the request of a friend; he was a proponent of numerology and believed that numbers underlie the harmony of nature. His work was published in a local journal and initially did not attract attention, but later inspired Bohr to create the quantum model of the atom.
Quote: "The simplicity of the formula is astonishing and leaves no doubt that the series of lines are governed by a simple law inherent in the hydrogen atom."
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spectroscopyhydrogen
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Balmer formula
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Robert HookeJocelyn Bell BurnellArno PenziasCharles TownesJames Clerk MaxwellErwin SchrödingerCecilia Payne-GaposchkinMargaret Burbidge

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