Unfinished Rainbows
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 presented to the youth of the 1940s of the opportunities in the world of chemistry.
Top Billed Cast

Alan Ladd
Charles Martin Hall

John Maxwell
Professsor Jefferds

Alberto Morin
Napoleon III

Jean Del Val
H. Saint-Claire Deville

John Dilson
Prof. Jewett
Featured Crew
Leo S. Rosencrans
Writer

Jean Yarbrough
Director
Arthur E. Arling
Director of Photography
Barney Rogan
Editor
Edwin C. Jewell
Art Direction
William Randall Sr.
Sound Recordist