• 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)