Maggie Nix's Grandmother wrote some of the very first episodes of As The World Turns
, but she was more widely known for One Life To Live and All My Children.
She had, however, helped create some of the very first early episodes of As The World Turns.
Even though her Wiki bio says nothing about this, IMDb seems to have attributed episode 1.1 of As The World Turns partially towards Agnes Nixon.
AGNES NIXON