Death by Derivatives
by Michael Durbin from Damn Interesting on (#38KGE)
In April of 1873, an unhappy man walked along Clark Street in downtown Chicago. His name was Aymar de Belloy. There was a gun in his pocket, and a nickel - enough for one final glass of beer. He entered Kirchoff's tavern and sat at a table, then changed his mind about the beer. He ["]