Obviously, Mary Shelley. Created the most famous character of all time and the entire genre of science fiction while still a teenager.

I’m a fan of Tanith Lee. She started weird fantasy and Neil Gaiman stole all his best ideas and most of his writing style from her.

Karen Slaughter writes detective novels that make Jack Reacher look like a school boy.

Tana French is Slaughter’s Irsih cousin.

Joanna Russ was an out Lesbian back in the 1970s. “The Female Man” is still cutting edge.