Arthur Henderson (1863-1935), leader of the British Labour Party on three occasions. From the English Wikipedia,
uploaded 23:31, 11 September 2004 by en:User:Dbiv
From "The British Labour Party", a book published in 1948. The picture was clearly taken more than 75 years ago which makes it out of copyright.
Author: anonymous or pseudonymous, per EU Copyright Directive (1993), Article 1, §§1-4, and thus appears to be in the public domain in the European Union. The copyright of this image has expired in the European Union because it was published more than 70 years ago without a public claim of authorship and no subsequent claim of authorship was made in the 70 years following its first publication.
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