favorite science fiction/ffantasy authors - what are yours?

[susanmcgee48176]

Here are mine:

Tied for first place J.R.R. Tolkien and J.K. Rowling
2 - C. S. Lewis
3 - Robert Heinlein
4 - Marian Zimmer Bradly
5 - Mercedes Lacky
6 - Robin McKinley
7 - Madeleine L'Engle
8 - Susan Cooper

and here are some others in no particular order, Poul Anderson,
Isaac Asmiov, T.H. White, Sheri Tepper, Octavia Butler, Andre Norton, Charles de Lint, Orson Scott Card, Ursula LeGuin, E.E. Smith,
Lord Dunsany, 

Yours?