Louis Byrne Slichter (May 19, 1896 – March 25, 1978) was an American physicist and geophysicist who directed the Institute of Geophysics at UCLA.

[1][2][3][4][5] Slichter was notable for, among other things, earth tides research,[4] submarine detection,[4] development of three-component short-period seismographs,[4] studies of the earth temperature distribution,[4] and the invention of a number of important geophysical devices.

[2] The New York Times called Slichter a "widely honored pioneer in the earth sciences".

[1] The National Academy of Sciences called him "one of the foremost geophysicists of the twentieth century, an outstanding leader, scholar, and teacher".

[2] UCLA called him "the world leader in the analysis of the solid earth tides".