Jean Alt (8 August 1921 – 22 July 1991) was a French scientist and meteorologist. He was born in Paris.

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Quick Facts Born, Died ...

Jean ALT
Born	8 August 1921 Paris, France
Died	22 July 1991 Savigny-sur-Orge, France
Nationality	French
Occupation(s)	Scientist, Meteorologist, Polar explorer
Known for	Alt Glacier
Children	4

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Alt was a scientist of the IGY. He took part in the American mission Deep Freeze III in Little America V (an Antarctica base) during the winter of 1958. He stayed 16 months in Antarctica.

He was part of the little America V team in the same period that Albert P. Crary

Later the Advisory Committee on Antarctic Names gave his name to a glacier: the Alt Glacier

• Alt, Jean; Astapenko, P.; Ropar, Nicholas J. (1959). Some Aspects of the Antarctic Atmospheric Circulation in 1958. IGY World Data Center, National Academy of Sciences.