Possible Questions:
- German philosopher
- Big critic of capitalism
- Noted communist buried in Highgate Cemetery
- "Das Kapital" author
- Noted critic of capitalism
- 'You Bet Your Life' host
- Zeppo, for one
- Last name in comedy
- Engels collaborator
- "Duck Soup" name
- 'Das Kapital' author
- ''Duck Soup'' surname
- Manifesto writer
- Groucho
- Engels's associate
- Chico, e.g.
- "You Bet Your Life" host
- "I have had a perfectly wonderful evening, but this wasn't it" speaker
- "Duck Soup" surname
- ''Duck Soup'' name
- Zeppo or Chico
- Writer on class struggle
- Who said "History repeats itself, first as tragedy, second as farce"
- Surname of four stars in "Duck Soup"
- Surname of four "Duck Soup" stars
- Surname of comedic brothers
- Star of "A Night at the Opera"
- Star of A Night at the Opera
- Socialism founder
- Richard with the 1989 #1 hit "Right Here Waiting"
- Richard or Karl
- Revolutionary expelled from Prussia in 1849
- Prussian-born philosopher
- Proponent of a classless society
- Pop singer Richard
- Philosopher who gave his name to an -ism
- Out-of-favor icon
- Memorable brothers
- Karl, Richard or Harpo
- Karl with a manifesto
- Karl who philosophized about class struggle
- Karl or Zeppo
- Karl or Harpo
- Karl or Groucho
- Karl or Chico
- Karl of communism
- His epitaph begins "Workers of all lands unite"
- Harpo or Karl
- Harpo or Chico
- Harpo
- Gummo, for one
- Groucho or Karl
- Groucho or Chico
- German socialist Karl
- German political theorist
- Fraternal surname of comedy
- Family name in comedy
- Engels associate
- Comedy's __ Brothers
- Comedic actor Groucho
- Collaborator with Engels
- Class-action philosopher?
- Chico's last name
- Chico, Groucho, Gummo, Harpo, or Zeppo of comedy
- Chico or Karl
- Chico or Harpo
- Big name in communism and comedy
- Any of five O-ending brothers
- Any brother in "Animal Crackers"
- 1950s-'60s TV quiz show host
- "Time wounds all heels" comic
- "Time flies like an arrow. Fruit flies like a banana" speaker
- "Those are my principles. If you don't like them I have others" speaker
- "The rich will do anything for the poor but get off their backs" theorist
- "The Poverty of Philosophy" author
- "The Communist Manifesto" coauthor
- "The Big Store" name
- "Right Here Waiting" rocker Richard
- "Manifesto" writer
- "Horse Feathers" family name
- "Go West" name
- "Dictatorship of the proletariat" philosopher
- "Das Kapital" writer
- "Anyone who says he can see through women is missing a lot" quipster
- "Animal Crackers" surname
- "Animal Crackers" brothers
- "A Night at the Opera" name