PEARY

Set to 6 different clues across 6 published puzzles, most often "Northward Over the Great Ice" writer — The New York Times, Friday, 2 July 2010.

5 letters

Every clue on record, most used first

"Northward Over the Great Ice" writeronce
The New York Times — Friday, 2 July 2010
Explorer who proved that Greenland is an islandonce
The New York Times — Monday, 22 October 2007
Arctic explorer Robertonce
The New York Times — Monday, 27 December 1999
Noted Arctic exploreronce
The New York Times — Thursday, 7 November 1996
_____ Land (northern Greenland)once
The New York Times — Saturday, 11 March 1995
Admiral in the Arcticonce
The New York Times — Wednesday, 11 May 1994