Description: [caption id="" align="alignleft" width="251" caption="Joseph Henry, first Secretary of the Smithsonian Institution (1846-1878), and his wife, Harriet Henry, and their daughters Caroline, Helen and Mary with croquet mallets on the grounds of the Smithsonian Institution Building, c.
Description: [caption id="" align="aligncenter" width="400" caption="Installation View of Smithsonian Photography Exhibition Art Section, by Thomas Smillie, c.
Description: Dianne van der Reyden was a paper conservator at the Smithsonian from 1981 to 2002. She was hired by the National Museum of American History in 1981 and was promoted to senior paper conservator and head of the paper conservation section before transferring to the Smithsonian’s Conservation Analytical Laboratory in 1984. There, van der Reyden was promoted to head of paper