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“The idea for Frankensteincame to Mary Shelley as the result of a ghost story contest between Mary, her husband, the poet Lord Byron, and Dr. John Polidori. It came to her in a dream.”

Clearly we can tell how creative she was in comparison to her character, Dr Frankenstein, from her book Frankenstein. She shares this passion of creativity which helped her pursue and complete her dreams as a writer.

http://www.enotes.com/authors/mary-shelley