From School Library Journal
Gr 2-4–A 19th-century figure formerly relegated to entries in collective biographies at last gets his due in a solo picture-book biography. The pendulum that bears his name, designed as proof that Earth spins on its axis, is still regarded as one of the most elegant scientific demonstrations ever. Despite this and other technical achievements, however, Foucault spent most of his short life outside the French scientific establishment. Why? A lack of advanced academic credentials for one thing, suggests Mortensen in her matter-of-fact narrative and more detailed afterword–but also, without making a direct claim, she points to evidence that he may have suffered from a spectrum disorder. Allén's digitally finished paintings mix sequential panels and larger tableaus to depict a frail, thoughtful-looking young man working alone in a tidy, shadowy workshop or showing his latest invention to small groups of marveling onlookers. Readers will marvel too, at the genius of this little-known scientific wizard.John Peters, New York Public Library
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Review, The Wall Street Journal, September 26, 2010:
"An atmospheric picture book. ...The story of Foucault's tripumph--enhanced by the visual drama of Raúl Allén's sepia-toned illustrations--makes a suprisingly diverting read for young children."Review, Scientific American, December 1, 2010:
"... elegantly illustrated ... "