Who is the science fiction author, Samuel R. Delany or Harlan Coben?
Samuel R. Delany: Samuel Ray Delany Jr. ( ; born April 1, 1942), Chip Delany to his friends, is an American author, professor and literary critic. Samuel R. Delany:  His work includes fiction (especially science fiction), memoir, criticism, and essays on sexuality and society. Harlan Coben: Harlan Coben (born January 4, 1962) is an American writer of mystery novels and thrillers.
Samuel Ray Delany