E. H. Johnson
According to <i>Science-fiction: The Gernsback Years</i> (p.195) "Probably Elbe Herbert Johnson (1887-1967), U.S. physicist. Born Michigan. Ph.D., University of Chicago. Hon. D.Sc."
According to <i>Science-fiction: The Gernsback Years</i> (p.195) "Probably Elbe Herbert Johnson (1887-1967), U.S. physicist. Born Michigan. Ph.D., University of Chicago. Hon. D.Sc."