General Sir Herbert Plumer - Glass negative photogrpah. Public domain.

Photograph shows Field Marshal Sir Herbert Plumer (1857-1932) who was an officer in the British Army during World War I. He later served as High Commissioner of the British Mandate for Palestine (1925-1928). (Source: Flickr Commons project, 2015)
Title from data provided by the Bain News Service on the negative.
Forms part of: George Grantham Bain Collection (Library of Congress).
General information about the George Grantham Bain Collection is available at http://hdl.loc.gov/loc.pnp/pp.ggbain