Agnes Nixon, the creator of soap operas All My Children and One Life to Live, died Wednesday. She was 93.

Agnes Nixon Dies

Nixon died yesterday in Rosemont, Pa. She had been battling complications from Parkinson’s disease, according to The New York Times. However, the cause of death is not yet known.

Up until her passing, Nixon had been working on her memoir, My Life to Live. She had completed it on Sunday, a week before it was due to her publisher, and had been in contact with her son Bob Nixon about changes the night of her unexpected death.

“She was really a great wife, mother and human being — but above all, a writer,” Bob Nixon revealed. “She was writing up until last night.”

Nixon had gotten her start in daytime television writing for soap operas Guiding Light and Another World. She went on to co-create As the World Turns with Irna Phillips before striking out on her own with All My Children and One Life to Live.

Upon learning of Nixon’s passing, many actors who worked with her have paid tribute. Bryan Cranston, Susan Lucci and Josh Duhamel led the tributes.

Nixon was predeceased by her husband Robert Nixon. She is survived by their four children.