George Nissen died on Aprol 7, 2010.
George Nissen was born on February 3, 1914.
Yes, George Nissen is the real inventor of trampolines.
trampoline
yes
Heinrich Nissen died in 1912.
Erika Nissen died in 1903.
Hartvig Nissen died in 1874.
Henrik Nissen died in 1915.
Oscar Nissen died in 1911.
Fernanda Nissen died in 1920.
1914