De uitvinding van de trampoline, met de hulp van het circus, het leger en Mexico City | Het Nieuwsblad Mobile
How the Trampoline Came to Be | Innovation| Smithsonian Magazine
George Nissen dies at 96; inventor of the modern trampoline - Los Angeles Times
Just Bounce Trampoline Club - DID YOU KNOW? The modern day trampoline was invented by George Nissen and Larry Griswold around 1934! The idea was formed after attending the circus in 1930,
Biography of George Nissen
Who Made That Trampoline? - The New York Times
George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader
The Weird, Forgotten, Awesome Sport of Spaceball - Atlas Obscura
FEBRUARY 3: trampoline inventor born | BEST TEENAGERS EVER
Trampoline History Blog: About the Trampoline History Blog
Trampolines: a brief history of bouncing through time
The History of Trampolines | Vuly Play
George Nissen | Lemelson
George Nissen and the Trampoline – Lichtenberger Engineering Library
George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader
Trampoline History Blog: A Brief History of World Trampoline - - Leading Up to the 1964 First World Championships
The Olympic trampoline tradition: Remembering the man who taught the world to bounce | The World from PRX
Time Machine: George Nissen, trampoline inventor | The Gazette
When Were Trampolines Invented?
Trampoline Inventor Saw Sport Enshrined in Olympics - WSJ
The Importance of Understanding History
