John Cohn
![John Cohn giving a talk at [[TEDx Delft]] in 2013.](https://upload.wikimedia.org/wikipedia/commons/5/5e/Cohn.jpg)
Cohn's presentation concerning electricity, entitled ''Jolts and Volts'', has been performed by more than 50,000 students worldwide, including performances at Walt Disney World, and the New York Hall of Science.
In October 2013, Cohn presented a TEDx conference. TEDxDelft 2013 was themed "Do try this at home," and Cohn's talk was titled "The importance of play." Provided by Wikipedia
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1Published 1933Other Authors: “…Cohn, John…”
Classmark: 00478simBook -
2Published 1925Other Authors: “…Cohn, John…”
Classmark: 00477simBook