Description: A look at taxidermist turned conservationist William Temple Hornaday's "Extermination Series" highlighting the environmental impact of man on North American mammals.
Description: As the twelfth Smithsonian Secretary, G. Wayne Clough, retires, historian Pamela Henson looks back on his impact on the Smithsonian in 6 ½ short years – creating a positive dynamic, fostering environmental responsibility, and stimulating collaborations across the Institution.