Related Clues:

• Industrial mogul, e.g.
• Commercial bigwig
• Surf suds
• Father of a grand duke
• Industrialist
• Industry kingpin
• Peter I, e.g.
• Autocrat of old
• Old Russian ruler
• Drug ___
• Ocean froth
• Old head
• Powerful businessman
• Bolshevik's foe
• Pre-communism leader