Ben Franklin,University of Pennsylvania

Numéro d’image : 12054714
Ben Franklin,University of Pennsylvania
Ben Franklin. Statue of the US scientist and statesman Benjamin Franklin (1706-1790). Franklin was one of the Founding Fathers of the United States. He proposed and may have conducted experiments with a kite in a thunderstorm to show that lightning is electricity. This led to his invention of the lightning rod to protect buildings from lightning strikes. He also invented fins for swimming,bifocal glasses,a urinary catheter and showed that evaporation cooled objects. He helped shape the American Revolution and was a signatory of the US Declaration of Independence. Photographed at the University of Pennsylvania,Philadelphia,USA
Licence : Droits gérés
Crédit: Science Photo Library / Greim, John
Taille de l’image : 3403 px × 5113 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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