CLARK

Set to 6 different clues across 7 published puzzles, most often “University in Worcester, Mass.” — The New York Times, Sunday, 4 December 2005.

5 letters

Every clue on record, most used first

University in Worcester, Mass.2 times
The New York Times — Sunday, 4 December 2005
Lewis's partner in an expeditiononce
The New York Times — Monday, 10 May 2010
Worcester universityonce
The New York Times — Friday, 11 November 2005
Louisiana Territory exploreronce
The New York Times — Wednesday, 17 August 2005
"Downtown" singer Petulaonce
The New York Times — Tuesday, 28 November 2000
Co-worker of Lois and Jimmyonce
The New York Times — Tuesday, 14 January 1997