1903: Thomas Edison stages his highly publicized electrocution of an elephant in order to demonstrate the dangers of alternating current, which, if it posed any immediate danger at all, was to Edison's own direct current.
Edison had established direct current at the standard for electricity distribution and was living large off the patent royalties, royalties he was in no mood to lose when George Westinghouse and Nicola Tesla showed up with alternating current.
^^^ Do not dishonour my profession....!! It was a dentist who first gave the idea of an electric chair...! I won't tolerate if the credit is taken by someone else...
wikipedia said:
Alfred P. Southwick developed the idea of using electric current as a method of execution when he saw an intoxicated man die after touching an exposed terminal on a live generator.[2] As Southwick was a dentist accustomed to performing procedures on subjects in chairs, his electrical device appeared in the form of a chair