Preston Cloud

Preston Cloud

Preston Ercelle Cloud, Jr. (September 26, 1912 – January 16, 1991) was an eminent American earth scientist, biogeologist, cosmologist, and professor. He was best known for his work on the geologic time scale and the origin of life on Earth, and as a pioneering ecologist and environmentalist.

Read more about Preston Cloud:  Early Life, Professional Career, Personal Life, Awards

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