Autographs of Notable SF Authors

For those of us who are interested in used and rare books, periodicals, and paper ephemera, the website TomFolio.com has sample autograph signatures of quite a few science fiction authors, some of whom have written about Mars or Martians, including:

Forrest J Ackerman, Kevin J. Anderson, Poul Anderson, Isaac Asimov, Gregory Benford, Ben Bova, Ray Bradbury, Marion Zimmer Bradley, Fredric Brown, Arthur C. Clarke, L. Sprague de Camp, Harlan Ellison, Philip José Farmer, Ray Harryhausen, Robert A. Heinlein, Frank Herbert, Richard A. Lupoff, Frederik Poul, Jerry Sohl, A. E. van Vogt, H. G. Wells, Jack Williamson, and Roger Zelazny.

Pictured above: The autograph of Jerry Sohl, author of The Mars Monopoly (1956).