Thomas Eakins as a young boy, 1850.

Thomas Eakins as a young boy, 1850.

First Lady of the United States Ellen Lewis Herndon Arthur, c. 1857-1870.
Source: Library of Congress

First Lady of the United States Ellen Lewis Herndon Arthur, c. 1857-1870.

Source: Library of Congress

East front of Addiscombe Place, the main building of Addiscombe Seminary, Surrey, London, ca. 1859. Cadets pose in the foreground.

East front of Addiscombe Place, the main building of Addiscombe Seminary, Surrey, London, ca. 1859. Cadets pose in the foreground.

Sir John Everett Millais, ca. 1854.

Sir John Everett Millais, ca. 1854.

Felix Nadar,  Nāser al-Dīn Shah, Shah from Persia, 1848–1896.

Felix Nadar, Nāser al-Dīn Shah, Shah from Persia, 1848–1896.

Charles Kean and his wife as Macbeth and Lady Macbeth, England, 1858.

Charles Kean and his wife as Macbeth and Lady Macbeth, England, 1858.

Louis Buvelot, Emperor Dom Pedro II of Brazil around age 25, ca. 1851.

Louis BuvelotEmperor Dom Pedro II of Brazil around age 25, ca. 1851.

Daguerreotype portrait of William Austin Dickinson, attorney and older brother of the poet Emily Dickinson, early 1850s.
Source:  Todd-Bingham Picture Collection and Papers, Yale University Manuscripts & Archives Digital Images Database

Daguerreotype portrait of William Austin Dickinson, attorney and older brother of the poet Emily Dickinson, early 1850s.

Source:  Todd-Bingham Picture Collection and Papers, Yale University Manuscripts & Archives Digital Images Database

Edouard Baldus, Imperial Library of the Louvre, Paris, 1856-1857.
Source: Metropolitan Museum of Art

Edouard Baldus, Imperial Library of the Louvre, Paris, 1856-1857.

Source: Metropolitan Museum of Art