Description: Donald J. Ortner, Division of Physical Anthropology museum technician, demonstrates use of equipment to study mineral concentration in bone on William H. Crocker, associate curator in the Division of Cultural Anthropology at the Museum of Natural History, MNH-1498D.
Description: [caption id="" align="aligncenter" width="289" caption="Exhibit of Smithsonite, the mineral zinc carbonate, named in 1832 in honor of James Smithson, mineralogist and founding donor of the Smithsonian Institution, 1958, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95 Box 44 Folder 16, Negative Number: 2002-12151. "][/caption]
Description: [caption id="" align="aligncenter" width="442" caption="George S. Switzer, first Chairman of the Department of Mineral Sciences, 1963-1968, and Associate Curator, 1948-1956, with some objects from the collections at the National Museum of Natural History, Date unknown, c. 1960s, by Unidentified photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95,