Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Schwartz kept editorial records for Robert Kanigher who edited this issue.
Title of story is misspelled on splash page and story. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Schwartz kept editorial records for Robert Kanigher who edited this issue.
Story across 23 pages in three parts of 7.5, 7.5, and 6.5 pages.
Illustrated factual history of the scientific elements.
Hobby hint from Craig Sanders (Cincinnati, Ohio).
Fan letters column with letters from Larry Someston, Nick Kazantis, Hellen Masseigh, Jean Malaky, Rita Feldman, Sid Hansen.