Enter a clue or pattern or both:
The Clue
Father of modern rocketry (7 letter answer)
The Answer
GODDARD
Tags
Notes
The answer GODDARD is so rare that it appears less than once every 2500 puzzles.
Definition
GODDARD as a noun:
1. (Goddard, Robert Hutchings Goddard) = United States physicist who developed the first successful liquid-fueled rocket (1882-1945)