Figure 16: Expression of severity 
Object type: Photograph
Department: Photographs
Artist: Guillaume-Benjamin-Amand Duchenne de Boulogne|Adrien Tournachon
Artist bio: French, 1806–1875|French, 1825–1903
Artist role: Artist|Artist
Artist nationality: French|French
Date: 1854–56, printed 1862
Medium: Albumen silver print from glass negative
Dimensions: Image (Oval): 28.5 × 20.4 cm (11 1/4 × 8 1/16 in.)
Sheet: 29.9 × 21.9 cm (11 3/4 × 8 5/8 in.)
Mount: 40.2 × 28.4 cm (15 13/16 × 11 3/16 in.)
Classification: Photographs
Credit line: Purchase, The Buddy Taub Foundation Gift, Dennis A. Roach and Jill Roach, Directors; Harris Brisbane Dick and William E. Dodge Funds; and W. Bruce and Delaney H. Lundberg Gift, 2013
Accession year: 2013
Tags: Science|Men|Portraits