Double Phoenix

Roger Lancelyn Green (1918–1987) was a British biographer and children's writer. He was an Oxford academic who formed part of the Inklings literary discussion group along with C.S. Lewis and J.R.R. Tolkien.

Edmund Cooper (1926–1982) was an English poet and prolific writer of speculative fiction, and other genres including children books, essays and one detective novel, published under his own name and several pen names (Martin Lester, [author_link_4044], Broderick Quain and [author_link_4045]).