Who wrote the introduction to the book Cleaver wrote in 1968?
Eldridge Cleaver Leroy Eldridge Cleaver (August 31, 1935 – May 1, 1998) was an American writer and political activist who became an early leader of the Black Panther Party. His 1968 book, "Soul On Ice", is a collection of essays that, at the time of its publication, was praised by "The New York Times Book Review" as "brilliant and revealing". In the most controversial part of the book, Cleaver acknowledges committing many acts of rape.
Ursula K. Le Guin Ursula Kroeber Le Guin ( ; born October 21, 1929) is an American author of novels, children's books, and short stories, mainly in the genres of fantasy and science fiction. She has also written poetry and essays. First published in the 1960s, her work has often depicted futuristic or imaginary alternative worlds in politics, the natural environment, gender, religion, sexuality and ethnography. In 2016, "The New York Times" described her as "America's greatest living science fiction writer", although she has said she would prefer to be known as an "American novelist".