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).
Summary:
Secretary Joseph Henry with wife Harriet Alexander Henry, and three daughters, Caroline Henry, Mary Henry, and Helen Louisa Henry, holding croquet mallets on Smithsonian grounds.
Cite as:
Smithsonian Institution Archives, Record Unit 95, Box 27C, Image No. SIA_000095_B27C_004
Repository Loc.:
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
No access restrictions. Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu