Albert Graham Ingalls (January 16, 1888–August 13, 1958) was an American scientific editor and amateur astronomer. Through his columns in Scientific American, including "The Amateur Scientist", and his three-volume series Amateur Telescope Making, Ingalls exerted a great influence on amateur astronomy and amateur telescope making in the United States.
Albert Graham Ingalls (January 16, 1888–August 13, 1958) was an American scientific editor and amateur astronomer. Through his columns in Scientific American, including "The Amateur Scientist", and his three-volume series Amateur Telescope Making, Ingalls exerted a great influence on amateur astronomy and amateur telescope making in the United States.
Source: Wikipedia "Albert Graham Ingalls" · CC BY-SA 4.0
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