Terry Gross

Musician Michael Penn. His latest album, "Resigned," (Epic) was released this fall. Penn's other albums include 1989's "March" which spun the single "No Myth" and won him an MTV "Best New Artist" award, and 1992's "Free for All" (RCA). Penn also contributed to the film "Boogie Nights" by writing its score music; his song "The Big Top" appears on the soundtrack.

Architect David Hoglund and Alzheimers expert Beth Deely. The two were instrumental in designing Woodside Place, a community for patients suffering from Alzheimers disease. Woodside Place, outside of Pittsburgh, was specifically designed to help clue patients into their surroundings through symbols and the building's layout. A three-year study of Woodside found that its new philosophy of nursing home design led to a slower rate of deterioration, and higher levels of socializing and physical activity. Hoglund works with Perkins Eastman Architects out of New York.

One of America’s leading architects, Richard Meier, talks about what it was like to undertake the architectural commission of the century, the building of the Getty Center in Los Angeles. He’s just written “Building the Getty”