Mackenberg was recruited by Harry Houdini to help him uncover the fraudulent tricks of psychics and mediums. After his death, Mackenberg continued to expose them for several decades.
Random Related Posts
In fighting the bias of the caste system to spread education, this woman brought knowledge to girls across India.
Matilda of Tuscany
Fiery defender of the pope who made kings kneel before her.
Socialite turned sniper turned socialist politician - Ireland's first woman elected to office had quite a life.
Destined to be a mere political pawn, this Mongol queen rode into battle while pregnant, united the warring tribes, and was considered to be the second coming of Genghis Khan.
This pope was largely assumed to be male until she gave birth in the midst of a procession - and largely assumed to be factual until the 13th century.
Khawlah bint al-Azwar
When Byzantine forces captured her brother, this warrior poet donned the outfit of a black knight and went on a bloody rescue mission.
The last Crow nation baté (Two Spirit mystic) in history, she earned her name -- which means "Finds Them and Kills Them" -- by tirelessly fighting to preserve her way of life.
Rose from poverty to become a respected journalist who raced Nellie Bly around the world.
This unassuming middle-aged woman became one of Britain's most notorious terrorists in her unyielding quest to win women the right to vote.
When a neighboring tribe threatened the Yoruba, this queen went undercover as a spy to find their weakness.