The time masters
American Science fiction
Wilson Tucker
Arthur Wilson "Bob" Tucker was an American author who became well known as a writer of mystery, action adventure, and science fiction under the name Wilson Tucker.

Tucker was also a prominent member of science fiction fandom, who wrote extensively for fanzines under the name Bob Tucker, a family nickname bestowed in childhood (his own mispronunciation of the nickname "Bub"). He became a prominent analyst and critic of the field, as well as the coiner of such terms as "space opera".