Rocket man
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106 years ago:
Robert Goddard snags patent for liquid-fueled rocket
On June 14, 1914, the first patent for a liquid-fueled rocket design was granted to Dr. Robert Goddard, an American scientist and rocket pioneer.
In the patent, Goddard described a rocket fueled with liquid propellants (liquid nitrous oxide and gasoline) or with a solid fuel (explosive material).
In this same year, he was also granted a patent for a multi-stage rocket fueled with solid "explosive material." He would go on to launch the world's first liquid-fueled rocket in 1926.