Prehistoric human beings, when they discovered fire.
Robert H. Goddard
it was invented by robbert goddard
he invented rocket fuel
The earliest rockets were invented by the Chinese around the 12th century, A.D. They used gunpowder as a fuel.
Robert H. Goddard made the first liquid fuel rocket the first solid fuel rocket was by the Chinese as early as 1000 ad
Who invented the rocket Catapult
liquid fuel
Because of the ability to control the ignition. With a liquid supply of fuel, it is possible to regulated the combustion of such in a rocket engine. Solid rocket engines cannot be turned of or regulated once ignited.
He invented the rocket in 1926
in 1938 first rocket was invented
Robert H. Goddard invented the first liquid fuel rocket in 1926, it was also successfully launched on Marc 15th 1926
Rocket Fuel Inc. (FUEL) had its IPO in 2013.
Rocket fuel.