Langevin may refer to: Langevin (surname) 5290 Langevin, an asteroid. Langevin (crater) on the Moon. See also. Institut Laue–Langevin, scientific facility in Grenoble, France. Office of the Prime Minister and Privy Council, a government office building in Ottawa, Canada formerly called Langevin Block. Physics and mathematics (named for Paul Langevin): Langevin's function (and its relation to Brillouin's) Langevin dynamics. Langevin equation
https://en.wikipedia.org/wiki/Langevin