1) Ludwig boltzmann 2) Physicist 
[crater] Boltzmann is an old lunar crater that is located along the southern limb of the Moon, in the vicinity of the south pole. At this location the crater is viewed from the side from Earth, and so not much detail can be seen. It is located to the north of the walled plain Drygalski, and to the west of the crater Le Gentil. This formatio...
Type: Term Pronunciation: bōlts′mahn Definitions: 1. Ludwig, physicist in Hapsburg Empire, 1844-1906. See: Boltzmann constant
[n] - Austrian physicist who contributed to the kinetic theory of gases (1844-1906)
Ludwig Boltzmann noun Austrian physicist who contributed to the kinetic theory of gases (1844-1906)
1844–1906, Austrian physicist.