Modern rockets, which use a liquid or solid fuel, didn't come into being until a scientist named Dr. Robert H. Goddard developed and launched the first liquid-fueled rocket on March 16, 1926.

Robert Goddard, an American physicist and inventor, built many of his early rockets at his workshop in Roswell, New Mexico. Smithsonian/National Air and Space Museum (NASM 2003-4818) ...

It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow. —Robert H. Goddard “Why do you ask us about rockets?” said a captured ...