Rufus Wilmot Griswold took over editing after Poe 's departure in April 1842 .
Rufus Wilmot Griswold is a well - known critic and anthologist as well as Poe 's greatest rival .
Rufus Wilmot Griswold , a well - known critic and anthologist as well as Poe 's greatest rival , took over editing after Poe 's departure in April 1842 .