Armin Theophil Wegner (October 16, 1886 – May 17, 1978) was a German soldier and medic in World War I, a prolific author, and a human rights activist. Stationed in the Ottoman Empire during World War I, Wegner was a witness to the Armenian Genocide and the photographs he took documenting the plight of the Armenians today "comprises the core of witness images of the Genocide."