Contrary to what the indicia had said, Ellsworth did not edit the title. Actual editing was done by Jack Schiff, with Murray Boltinoff and George Kashdan as associate editors, according to dccomicsartists.com/dchistory/DCHISTORY-2.htm , https://en.wikipedia.org/wiki/Jack_Schiff , and
https://kleinletters.com/Blog/the-dc-comics-offices-1930s-1950s-part-3/