Illinois State Library

Illinois Center for the Book

Individual Author Record

General Information

Name:  Sidney Rosen  

Pen Name: None


Born: 1916 in Boston, Massachusetts


Illinois Connection

Rosen taught at the University of Illinois in Champaign.

Biographical and Professional Information

Sidney Rosen was a professor emeritus of astronomy at the University of Illinois (1958-94). He grew up in Boston’s West End and married Dorothy Rosen. Together, they wrote the mystery series starring Belle Appleman, a Jewish immigrant who lives in Boston's West End during the 1930s. Rosen wrote the popular children’s book ''Galileo and the Magic Numbers'', published in 1958 and it still remains in print and in libraries all over the country. He also wrote a series of children’s science books.

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