The invisible master

"The Invisible Master" by Edmond Hamilton is a science fiction story exploring the dangerous potential of invisibility. The tale centers on a physicist, Dr. Howard Grantham, who discovers how to make things invisible, kicking off a string of unsettling events in New York City. The main character, Charlie Carton, a reporter, is thrown into the middle of the chaos after Grantham's invisibility invention is stolen, allowing the "Invisible Master" to emerge, plunging the city into fear with a series of impossible crimes, stirring up serious questions about power and human nature. The police struggle against this unseen foe, but the true shock comes when Grantham's scheme is revealed: he's the mastermind behind it all, using the situation to fund his work and gain recognition, showing how fear can lead to unintended and terrible outcomes.