Gilbert Walker
British meteorologist · United Kingdom · On the map · Scientists · Lived 1868 to 1958 · aged 90
Sir Gilbert Thomas Walker was an English physicist and statistician of the 20th century. Walker studied mathematics and applied it to a variety of fields including aerodynamics, electromagnetism and the analysis of time-series data before taking up a teaching position at the University of Cambridge.
Gilbert Walker is read about 29 times a day, in 15 languages.
A typical day, 30 days to 18 June 2026
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About this person
Although he had no experience in meteorology, he was recruited for a post in the Indian Meteorological Department where he worked on statistical approaches to predict the monsoons. He developed the methods in the analysis of time-series data that are now called the Yule-Walker equations. He is known for his groundbreaking description of the Southern Oscillation, a major phenomenon of global climate, and for discovering what is named after him as the Walker circulation, and for greatly advancing the study of climate in general. He was also instrumental in aiding the early career of the Indian mathematical prodigy, Srinivasa Ramanujan.
