The unheralded, but essential, work behind an exhibition

Growing up in Washington in the 1970s, a pudgy, big-eyed Ivan Campbell acquired the nickname Spanky."My father was a 'Little Rascals' fan," Campbell, 45, says with a laugh.The nickname stuck -- at least until Campbell started working as a technical coordinator at National Geographic Museum in 2003. There, thanks to the varied and unusual tasks he undertook while setting up and overseeing the museum's exhibitions -- including cracking chicken eggs to display the embryos and feeding carrion beetle...