The Sign of Signs - Who is That Fool on the Corner with the Sign about the End of the World?

The Pope it is said condemned the use of the cross bow when it was first introduced. He apparently thought it could be the demise of the whole world because it was so deadly. When cannons were first invented some thought that marked the end of the world. Now we have a weapon that could bring an end to all life on the planet, the hydrogen bomb, and certainly there are people who still believe that it might yet bring about the end of civilization. Adding to this there has always been someone or some group insisting that their generation would surely be the last.

Who hasn