Pseudonym for Hazel Goldman, Setter at the FT
Puzzle 11 of National Crossword Day Hard Pack
Question is: Pseudonym for Hazel Goldman, Setter at the FT
and the answer is: ADAMANT
Word Meaning:
ADAMANT — (said of people and their conviction) Firm; unshakeable; unyielding; determined.
Definitions from Wiktionary.