Description: [edan-image:id=siris_arc_287602,size=250,left]As a child in England in the 1930s, Oliver Sacks enjoyed playing with his Uncle Abe’s spinthariscope. It was, he would later recall, “a beautifully simple instrument, consisting of a fluorescent screen and a magnifying eyepiece, and inside, an infinitesimal speck of radium.We take a look at the spinthariscope at the Smithsonian.
Description: Spencer Fullerton Baird - Smithsonian Secretary, 1878-1887 ". . . a National Museum, of which (let me whisper it) I hope to be director." -Letter from Spencer Fullerton Baird to George Perkins Marsh, Smithsonian Regent, July 2, 1853 Spencer Fullerton Baird (1823-1887), an avid naturalist and collector, served as an assistant to Secretary Joseph Henry from 1850 to 1878. This