Louis B. Slichter

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

Slichter was notable for, among other things, earth tides research, submarine detection, development of three-component short-period seismographs, studies of the earth temperature distribution, and the invention of a number of important geophysical devices. Slichter Foreland peninsula in Antarctica is named after him. The Institute of Geophysics building in UCLA where he used to work as a director of the Institute has been named Slichter Hall. He was a member of the National Academy of Sciences and the chair of the Academy's Geophysics Section.

He was also a fellow of the American Academy of Arts and Sciences, a fellow of the American Physical Society, and a fellow of the American Geophysical Union. The New York Times called Slichter a "widely honored pioneer in the earth sciences". The National Academy of Sciences called him "one of the foremost geophysicists of the twentieth century, an outstanding leader, scholar, and teacher". UCLA called him "the world leader in the analysis of the solid earth tides".