Answer:
Robert H. Goddard
Explanation:
On March 16, 1926, Robert Goddard successfully launched the first liquid-fueled rocket in Auburn, Mass. The first-of-its-kind rocket reached an altitude of 41 feet, lasted 2 seconds and averaged about 60 miles per hour.
This is the site I got it from:
https://www.nasa.gov/missions/research/f_goddard.html
