Frontispiece: Portrait of Joseph Henry

Frontispiece half-bust portrait engraving of Professor Joseph Henry.

A memorial written for Joseph Henry, who served as secretary for the National Institute for the Promotion of Science, the precursor of the Smithsonian Institution, and then became the first Secretary of the Smithsonian Institution. As a scientist, he made significant discoveries in electromagnetism including the electromagnetic phenomenon of self-inductance as well as developing the electromagnet into a practical device.