Produced by the Aluminum Company of America (Alcoa) in 1940 and released in 1941 , Unfinished Rainbows traces the history of aluminum in brief, dramatic episodes. It shows the challenges ... See full summary »
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Alan Ladd is featured in his first credited (and color) role as inventor Charles Martin Hall.
My poor, benighted friend, it seems to me that there was once another Alexander who wept because there were no more worlds to conquer. And that's been the cry of youth ever since. But the true student of science accepts every new discovery as an ...