_cpzh4: A podcast series from the Smithsonian’s Lemelson Center for the Study of Invention and Innovation. The series is primarily based on lectures, demonstrations, and interviews by and of renowned inventors and innovators sponsored by the Lemelson Center since 1995. It reveals the stories behind the inventions — motivations, successes, and disappointments — and highlights the persevering spirit shared by all who call themselves “inventor.”, _cre1l: Audio, _d415a: http://invention.smithsonian.org/downloads/lemelsonpodguide.pdf, _d5fpr: Dr. Nancy Rubin, _clrrx: 81, _cyevm: AudioAssignments81, _cztg3: AudioAssignments, _d180g: 410