Zénobe Gramme
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| Zénobe Gramme | |
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 Zénobe Gramme |
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| Born | 27 April 1827 Jehay-Bodegnée, Belgium |
| Died | 20 January 1901 (aged 73) Bois-Colombes, France |
| Resting place | Père Lachaise cemetery |
| Nationality | Belgian |
| Occupation | electrical engineer |
| Known for | Gramme dynamo |
Zénobe Théophile Gramme (4 April 1826, Amay - 20 January 1901) was a Belgian electrical engineer. He invented the Gramme machine, a type of direct current dynamo capable of generating smoother (less AC) and much higher voltages than the dynamos known to that point.
In 1873 he and Hippolyte Fontaine accidentally discovered that the device was reversible and would spin when connected to any DC power supply. The Gramme machine was the first usefully powerful electrical motor that was successful industrially. Before Gramme's inventions, electric motors attained only low power and were mainly used as toys or laboratory curiosities.
Gramme died at Bois-Colombes, France and was buried in the Père Lachaise cemetery.
In the city of Liège there is a High School, L'Institut Gramme, named after him.
In 2005 he ended at 23rd place in the election of Le plus grand Belge (The Greatest Belgian), the television show broadcast by the French-speaking RTBF and based on the BBC show 100 Greatest Britons.
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