• Science (cutting edge & laymen’s difficulty in comprehending)
• Successful Aging
• Broadcast Assignments
• Aviation
• Space Exploration
• UNICEF & the World’s Children
• Communication (overview from information theory to masscom)
• Music (general: from folk to country to rock to pop to chamber & classical)
• Geriatric Medicine
• Current Events
• Foreign Policy
• Cosmology
• Journalism
• Marital Longevity
• Great-Grandparenting
• Public Speaking
• Scale Models: Compassing the Immensity of Time & the Cosmos
• Sailing Across the Pacific (famous voyages & my own in 1965)
• “Human Nature” as an Impediment to Social Progress
• Love, as a powerful but imprecise concept (romantic, erotic, Platonic, agape, etc.)
• Growing Up in the Great Depression
• A Normative Future (futurology and the difficulties of predicting)