His suggestion: “a telepathy shield” that “would consist of a thin metal foil around the brain.”
1882, coined (along with telæsthesia) by English psychologist Frederic Myers (1843-1901), from tele- + -pathy. Telepathic is first recorded 1884. The noun telepath is a 1907 back-formation.
telepathy te·lep·a·thy (tə-lěp'ə-thē)n. Communication by means other than through the normal senses.
Knowledge conveyed from one individual to another without means of the five senses; mind reading. (See also extrasensory perception, parapsychology, and psychic research.)