Mark Twain relaxing on a porch in New Hampshire, 1905.
Source: New York Times photo archive

Mark Twain relaxing on a porch in New Hampshire, 1905.

Source: New York Times photo archive

A.F. Bradley, Mark Twain, ca. 1907.
Source: Library of Congress

A.F. Bradley, Mark Twain, ca. 1907.

Source: Library of Congress

G.H. Jones, Portrait of Samuel Clemens (Mark Twain) as a youth holding a printer’s composing stick with letters SAM, December 1850.

G.H. Jones, Portrait of Samuel Clemens (Mark Twain) as a youth holding a printer’s composing stick with letters SAM, December 1850.

Mark Twain  in the lab of Nikola Tesla, spring of 1894.

Mark Twain in the lab of Nikola Tesla, spring of 1894.

Mathew Brady, Group photo portrait of Mark Twain, George Alfred Townsend, and David Grey, February 1871.
Source: Library of Congress, Brady-Handy Collection

Mathew Brady, Group photo portrait of Mark Twain, George Alfred Townsend, and David Grey, February 1871.

Source: Library of Congress, Brady-Handy Collection