Author Tracey E. Fern climbed the 463 steps to the top of the Duomo in Florence, Italy. She “wondered how such an enormous structure could have been built in the fifteenth century.”

Researching the Duomo, she found Filippo Brunelleschi. She wrote Pippo The Fool, about how Filippo, considered a fool, constructed a masterpiece. 

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The Cathedral of Santa Maria del Fiore/The Duomo

Filippo, an architect without formal training, entered a competition that changed his life and that of the city of Florence forever. In 1418, the Florence wool merchant’s guild decided to solve a problem. The Duomo’s construction begun in 1296, had never been finished. No one knew how to construct a dome without buttresses and Gothic arches for support. In Florence, both were thought to be undesirable. The existing walls also required an octagonal shape.  How could a stable eight-sided dome be built?

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Filippo Brunelleschi

The guild held a competition for architects with the winner building the dome. Filippo Brunelleschi’s idea seemed the most promising. He designed an interior and an exterior dome. With this design, expensive wooden scaffolds would not be needed. But Filippo would not tell anyone how he would construct the dome. He thought his idea would be stolen. Filippo seemed both stubborn and foolish — Pippo the Fool. 

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The people in charge of the project hired Filippo. But they required that well-known architect, Lorenzo Ghiberti, to work on the project with him. Lorenzo had lost to Filippo in the competition. Now Filippo was forced to work with Lorenzo.

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It was Filippo, without any help from Lorenzo, who constructed the dome. He invented complex machines that lifted heavy sandstone beams and over four million bricks above the Cathedral. These machines were unique. According to National Geographic, “…they weren’t rivaled until the industrial revolution.”

Filippo designed the dome’s brickwork in a herringbone pattern. This added stability. And his design used a lighter interior and exterior two-dome design. This worked where a heavier single-dome design might have failed.

Completed in sixteen years, the dome is a testament to the genius of Filippo Brunelleschi. 

If you like this post, then please consider sharing it and leaving a comment below. Thank you! Barbara Lowell, Children’s Author

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How was the dome constructed? Learn how in this National Geographic video.

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Statue of Filippo Brunelleschi Gazing Up At His Dome