Otto Biederman, known as Otto "Abbadabba" Berman (1889? - October 23, 1935), was a US Mafia accountant. He is known for coining the phrase "Nothing personal, it is just business." Berman was born in New York City. At age fifteen, he was arrested and tried for attempted rape but found not guilty. He became an accountant, well known for his ability to figure complex mathematical equations and algebraic expressions in a matter of seconds, … Wikipedia
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