Helen Nielsen wrote crime and mystery novels, often exploring legal themes. Her books include "The Man in My Grave," "Burden of Proof," and "Borrow The Night."
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".