This June 1921 letter from Edison to Meyer Berman of New York City relates to the controversial questionnaire that applicants for executive positions at Edison Industries were required to fill out. Mr. Berman, the grandfather of the letter's present owner, had written a long letter to the inventor, arguing that the questionnaire was not a true test of intelligence. In response, Edison justified its use, claiming that the "executive ability" of the applicants whom he had hired had proven to be "good" and their judgment "surprisingly excellent."

Courtesy of Harvey Garrett.