it was senetor black
Igor Sikorsky co. did.
Nobody invented the helicopter in 1918
Igor Sikorsky invented the helicopter.
no
Igor Sikorski invented helicopter in the year 1906.
J. T awston invented the helicopter (black male)
Igor Sikorsky co. did.
I am wondering where was helicopter invented?
Nobody invented the helicopter in 1918
An engineer, Igor Sikorski, invented the helicopter.
No African American invented the helicopter. The first practical helicopter was invented by Igor Sikorski, a Russian American.
Igor Sikorsky invented the first practical helicopter around 1940
Igor Sikorsky invented the helicopter.
no
Igor Sikorski invented the first practical flying helicopter.
black as many helicopters in armys have black helicopter
That is Igor Sikorski, and he was in his 40 's when he invented the first practical helicopter.