# Untitled (Portrait of a Seated Man)

- By: Marcus Aurelius Root (American, 1808-1888)
- Date: 1855
- Medium: Daguerreotype
- Classification: Photograph
- Dimensions: 13.9 × 10.7 cm (5 1/2 × 4 1/4 in.); Open case: 15 × 23.8 × 1.1 cm (5 15/16 × 9 3/8 × 7/16 in.); Case: 15 × 11.9 × 2.2 cm (5 15/16 × 4 11/16 × 7/8 in.); Plate: 14 × 10.8 cm (5 1/2 × 4 1/4 in.)
- Culture: United States
- Credit line: The W. Bruce and Delaney H. Lundberg Collection, purchased with funds provided by The Leonian Charitable Trust
- Museum: [Art Institute of Chicago](https://www.artic.edu/artworks/250141)
- Rights: [Public domain (CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://www.artic.edu/iiif/2/2f9bb226-5b7a-20f8-77de-3abed80f104a/full/!1920,1080/0/default.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)