The Hangman's Knot was used on ropes in Colonial America as well as England during the 16th and 18th centuries. It is still used in those US states which allow hanging as method of capital punishment.
The first practical electric chair was made by Harold P. Brown. Brown was an employee of Thomas Edison, hired for the purpose of researching electrocution and for the development of the electric chair. Since Brown worked for Edison, and Edison promoted Brown's work, the development of the electric chair is often erroneously credited to Edison himself.
This suggestion is sent by a person who respects this web site ![]()