ENGELS

Set to 6 different clues across 8 published puzzles, most often “Marx collaborator” — The New York Times, Thursday, 14 December 2006.

6 letters

Every clue on record, most used first

Marx collaborator3 times
The New York Times — Thursday, 14 December 2006
Marx's collaborator on "The Communist Manifesto"once
The New York Times — Sunday, 2 December 2007
Manifesto writer of 1848once
The New York Times — Friday, 4 January 2002
"Anti-Dühring" authoronce
The New York Times — Saturday, 29 September 2001
"Communist Manifesto" co-authoronce
The New York Times — Wednesday, 25 April 2001
''Communist Manifesto'' coauthoronce
The New York Times — Saturday, 14 May 1994