An Irish-American science fiction author, she is best known for her Dragonriders of Pern series. Her novel, The White Dragon, was one of the first science fiction books to become a New York Times Best Seller.
She attended boarding school in Virginia and later graduated from Radcliffe College. She immigrated to Ireland in 1970 because, at the time, the country exempted artists and writers from paying income tax.
She won the Hugo Award and was inducted into the Science Fiction Hall of Fame.
She and her brothers, Hugh and Kevin, were born in Massachusetts to a family of mixed Irish and English descent. She married Horace Wright Johnson in 1950. Before divorcing, the couple had three children: Alec, Todd, and Georgeanne.
She was a their science fiction author, much like Isaac Asimov.