Possible Clues:

• Houdini's real last name
• Houdini's real name
• 'Marat/Sade' playwright Peter
• Houdini's family name
• ''Marat/Sade'' playwright
• Houdini's birth name
• Prefix or suffix for some light German beers
• Playwright Peter who wrote “Marat/Sade”
• Ehrich ___, Houdini's real name
• 'Marat/Sade' playwright