Historian Victoria Johnson discusses the life of David Hosack, the attending physician at the Hamilton-Burr duel and founder of the nation's first public botanical garden, today the site of Rockefeller Center. Johnson is the author of the Pulitzer Prize-nominated biography of Hosack, American Eden: David Hosack, Botany, and Medicine in the Garden of the Early Republic.
Architect Marc Appleton, author of "Ranches: Home on the Range in California", discusses the history of cattle ranching in California. Once a robust industry in the state, ranching is now a much diminished and challenged enterprise, says Appleton, and many ranchers are witnessing the passing of a way of life. Listen