||This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (January 2013) (Learn how and when to remove this template message)|
Vetter was a doctor at the Auschwitz extermination camp, appointed chief doctor by Reichsführer-SS Heinrich Himmler. He joined other doctors (such as Hans König, Heinz Thilo, and Fritz Klein) in the task of choosing employable Jews to operate the industrial machines and sending others to the gas chambers. After the war, Vetter was found guilty of committing crimes against humanity. He was hanged in the prison of Landsberg.