William H. Frey II, Ph.D.

Born: 1947 in Atlanta.

Job: Senior research director at HealthPartners Center for Memory and Aging.

Brushes with fame: Appeared in People magazine, on “20/20” and was interviewed by Walter Cronkite for his 1985 book on the mystery of tears.

Quirk: Texts his grown children pictures of the healthy food he eats.