Smithsonian Institution Building (Washington, D.C.) Search this
3 x 4;
Archives No. SA-203
Joseph Henry was an American scientist who served as the first Secretary of the Smithsonian Institution and discovered the electromagnetic phenomenon of self-inductance (SI).
Secretary Joseph Henry with wife Harriet Alexander Henry, and three daughters, Caroline Henry, Mary Henry, and Helen Louisa Henry, standing in the east doorway to the Smithsonian Institution Building, or Castle.
Smithsonian Institution Archives, Record Unit 95, Box 27C, Image No. SIA_000095_B27C_003
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520