I didn't know that Radclyffe Hall lived in Rye. I'd forgotten that Henry James lived there. It must have been quite a place in the early part of last century.
If you're looking at people who were born and who lived in Sussex, there are dozens and dozens
Literature
EF Benson of Mapp and Lucia fame lived in Rye
William Blake wrote Jerusalem here
James Joyce wrote part of Finnegans Wake in Bognor
Israel Zangwill lived in East Preston
George Orwell went...