CERN
Set to 2 different clues across 2 published puzzles, most often “World's largest particle physics lab” — The New York Times, Thursday, 9 July 2009.
4 letters
Every clue on record, most used first
- World's largest particle physics labonce
The New York Times — Thursday, 9 July 2009
- Geneva research ctr.once
The New York Times — Friday, 28 March 1997