Helmut Clissmann (11 May 1911 – 6 November 1997) was an Ireland-based Nazi Abwehr agent during World War II. He engineered the release of Frank Ryan from a Spanish prison. Before World War II, Clissmann was active in the German academic exchange service in Dublin.
Helmut Clissmann (11 May 1911 – 6 November 1997) was an Ireland-based Nazi Abwehr agent during World War II. He engineered the release of Frank Ryan from a Spanish prison. Before World War II, Clissmann was active in the German academic exchange service in Dublin.
Source: Wikipedia "Helmut Clissmann" · CC BY-SA 4.0
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