Book Guide

Edith Clarke devoured numbers, puzzles, and brainteasers and dreamed of how mathematics could modernize America in the brand-new 20th century. Fascinated by electricity, Edith earned a degree in electrical engineering, but no one would hire a woman. So, on her own, she tackled a daunting problem: the hundreds of calculations needed to design electrical wires.

Edith invented the Clarke Calculator which solved equations 10 times faster than a human. Engineers everywhere wanted one, and Edith Clarke was finally hired as an electrical engineer. The first woman in America!

Author Jan Lower brings to life Edith Clarke's brilliant career as a vital contributor to the electrification of America. And artist Susan Reagan reveals Edith's lightning-quick mind through equations and puzzles hidden in her illustrations. It all makes for one electrifying tale!

From the dust jacket

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Jan Lower

Jan Lower

Jan Lower has worked with quite a few electrical engineers—but none as remarkable as Edith Clarke. When she's not investigating inventions fro... See more
Susan Reagan

Susan Reagan

Susan Reagan has always loved illustration and drawing just as much as Edith Clarke loved mathematics and electricity. Her picture books include You... See more

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Content Guide

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Reviews

Kirkus Reviews

The Brilliant Calculator: How Mathematician Edith Clarke Helped Electrify America
Rousing encouragement for readers—especially math-minded ones—to follow their dreams.

Read the full review on Kirkus Reviews