Although the novel Frankenstein, written in 1818 by Mary Shelley, has been called the first science fiction novel, there is a persistent but false belief that women did not enter the field of science fiction writing until the 1960s and 1970s.
Other notable women in the science fiction field include:
... Scrambling System (CSS) employed by the DVD Consortium[?] on movie DVD disks. The data on the DVD is encrypted so that it can only be decoded and viewed using an encryption ...