Related Clues:

• For follower
• Introduction to science?
• Present and potent leader
• Word with when or where
• Permanently
• Lasting start
• Where ender
• Former Dodge model
• Present opener?
• At some time
• Bygone science magazine
• Onetime sister magazine of Penthouse
• Potent start?
• Lasting introduction?
• 'Boy, do I ___!'