Jack Hanna, who became famous for appearing on talk shows with animals by his side, has reached an advanced stage of Alzheimer's, his family said. Hanna, 77, served as director of the Columbus Zoo ...

They include: -- Industrialist Henry Flagler in 1830 -- U.S. Sen. Barry Goldwater in 1909 -- Writer Isaac Asimov in 1920 -- Televangelist Jim Bakker in 1940 (age 85) -- Zoologist Jack Hanna in 1947 ...