Viking leader with the epithet the Boneless
Else clues• ___ Kreuger, the Match King
• Basso Andresen
• Crazy ___ (O Pioneers! hermit)
• Match King Kreuger
• Norwegian opera singer Andresen
• Physics Nobelist Giaever
• Swedish entrepreneur Kreuger
• Swedish monopolist Kreuger
• Swedish name that's an Indian name backward