Inventor of the Jet Engine: Sir Frank __
This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1589, Puzzle 4 (Tufted Deer).
Question is: Inventor of the Jet Engine: Sir Frank __
and the answer is: WHITTLE
Word Meaning:
WHITTLE — A knife; especially, a clasp-knife, pocket knife, or sheath knife.
Definitions from Wiktionary.