As of August 2014, Randi Altschul is 54 years of age. Randi Altschul is an American toy inventor and is the inventor of the first disposable cellphone.
Rowland Hill was the inventor of the first stamp. He also was the person who made and designed the first postage stamp ever!
Charles Cretors is the first inventor of the popcorn machine, which was made in 1885
David Misell was the first person to invent the battery powered torch. He was an English inventor
Well first his name is - Alexander Graham Bell. He was born on March 3, 1847 in Scotland. He was a scientist, inventor and innovator. He also made the first pratical telephone. He died at age 75 from Diabetes. Hope this helps.......
That was Igor Sikorsky, a Russian engineer and inventor who came to US before WW2
A Russian-American, Igor Sikorsky, invented the first working helicopter...however, Leonardo Da Vinci created the concept of a helicopter many years before Sikorsky was born.
Igor Sikorsky invented the first practical helicopter.
Igor Sikorsky invented the helicopter.
Igor Sikorsky's birth name is Igor Ivanovich Sikorsky.
That was the Sikorsky VS 300
Igor Sikorsky and Paul Cornu invented the helicopter in 1907. It was the first operating helicopter to actually take flight.
25 May, 1889 in Kiev, Ukraine, Russia.
There were many inventors of helicopters. I believe Igor Sikorsky was the best.
The first practical helicopter built was the Sikorsky VS300, as in pic.
If you mean "first" , i beleive that was the Sikorsky R4.
Igor Sikorsky, a Russian born American, made the world's first practical helicopter.