Tag Archives: Mata Hari

Spy Book: Invisible Ink

Posted on March 10, 2010 by SpyBlog

SPY’s Book Specialist, Matt Arnold Invisible ink.  Lemon juice, milk, and, for those most desperate, urine are the most commonly known recipes for invisible ink.   These techniques were literally child’s play for many of us.  Yet, when Mata Hari was … Continue reading →

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The Mata Hari Myth

Posted on August 20, 2009 by SpyBlog

Dr. Thomas Boghardt, Historian The world of intelligence is populated by intriguing, amazing, and occasionally outright bizarre characters. One of my favorites remains Margaretha Geertruida Zelle, aka Mata Hari. She fascinates me not so much because of her espionage career, … Continue reading →

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