Related Clues

• Zeppo, for one
• "Manifesto" writer
• Orally grades comedic brother (4)
• Out-of-favor icon
• Manifesto writer
• Philosopher who gave his name to an -ism
• Karl who philosophized about class struggle
• With 53-Across, noted comedy group, in brief
• Last name in comedy
• Harpo or Karl
• Any of the brothers in "Horse Feathers"
• Gummo or Groucho
• Harpo, e.g.
• Karl or Harpo
• Surname in zany comedy
• Engels collaborator
• Revolutionary expelled from Prussia in 1849
• Karl or Chico
• Name of brothers in movies found at 20-, 28-, 48-, and 56-Across
• Zeppo or Chico