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="405" caption="Lucille St. Hoyme (1924-2001), J. Lawrence Angel (1915-1986), and Thomas Dale Stewart (1901-1997), 1967, by Smithsonian Institution Office of Public Affairs, Smithsonian Institution Archives, Lucille St. Hoyme (1924-2001), J. Lawrence Angel (1915-1986), and Thomas Dale Stewart (1901-1997), 1967, by Smithsonian Institution