Henry Hunt Snelling

Henry Hunt Snelling (8 November 1817 – 24 June 1897) was a 19th-century American photographer, editor, author and inventor.

During Henry's infancy, the Snellings moved to the confluence of the Mississippi and Minnesota (then St. Peter's) rivers to build the U. S. Army fort that even today bears his father's name.

She was the sister of George Palmer Putnam and herself an author (Kabaosa; or, The Warriors of the West).

Additionally, Anna translated de Brebisson's The Collodion Process in Photography for the Production of Instantaneous Proofs.

He invented an enlarging camera (1852), a blue glass filter, and announced, but did not develop, a color photographic process (1856).