Painting - Square Root of Pi

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There are two paintings in the collection with this title. The geometry and construction of the two are identical (see painting #100 - 1979.1093.67).
The only differences between the two paintings are the color scheme and the dimensions. This painting has a black and purple background and a white rectangle that represents the square root of pi. The method of the color scheme is similar to painting #89 because, like the electric blue rectangle in the other painting, the white color of the rectangle against the purple background creates a dramatic contrast that highlights the crux of Crockett Johnson's construction.
This painting is #89 in the series. It was executed in oil on masonite, and has a black wooden frame. It is unsigned and undated.
Currently not on view
date made
Johnson, Crockett
Physical Description
masonite (substrate material)
wood (frame material)
overall: 63.2 cm x 63.5 cm x 3.2 cm; 24 7/8 in x 25 in x 1 1/4 in
ID Number
catalog number
accession number
Credit Line
Ruth Krauss in memory of Crockett Johnson
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Crockett Johnson
Data Source
National Museum of American History


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