From Wikipedia

Photographed by Mark Thiessen

Peter D. Mark

Neil Armstrong (1969).

Credit: Colin Swan, 2006, New York City

Photographed at BookPeople in Austin, Texas by Frank R. Arnold

Sign at Apple Headquarters. Photo by user Elwood_j_blues / Wikimedia Commons

Ludovico Ariosto. From Bibliothek des allgemeinen und praktischen Wissens. Bd. 5" (1905). Wikimedia Commons.

Jerry Bauer

Courtesy of Serpent's Tail Press

Catherine Benson

Sunderland Echo

Jerry Bauer

Tim Duncan

By Marci Malinowycz, © 1999.

Courtesy of Michael Behe.

Courtesy of Allen and Unwin

Thomas Phillips

Lisl Steiner Photo © ÖNB/Wien

By R. Feist

Barbara Lamar

Wikimedia Commons

Photo by Carol Collins (2005)

Photo by khaosworks

Photo by user SayCheeeeeese / Wikimedia Commons.

Emmanuel Carrère, photo by Jean-Marie David

Image © ÖNB/Wien

Howard Chaykin von Wintergeist bei Flickr http://farm4.static.flickr.com/3191/2992688239_815befc5e9_b.jpg

Courtesy of the NYPL Digital Gallery (image use requires permission from the New York Public Library)

Arthur C. Clarke (9-9-2005), cropped. Photo by Anuradha Ratnaweera (anuradha on flickr.com)

Wikipedia

Photo by Alan Light, 1989 (Flickr & Cropped for Wikipedia)

Photo by Nick Mills, 2005

Photo by Martin Tepley (Wikipedia)

Photograph by Ellen Datlow

Water-colour portrait of Charles Darwin painted by George Richmond in the late 1830s (Public domain ; Wikipedia)

Wikipedia author Markus Pössel (Mapos)

Chris Mays

Matti À (Reykjavik, 2006).

photo by Scott Edelman

Credit: Kathryn Cramer

Daniel C. Dennett

Credit: Keystone View Co., New York
Courtesy of the NYPL Digital Gallery
(image use requires permission from the New York Public Library)

Philip K. Dick (photo by Nicole Panter ©2007)

NASA Photo

Photo © Esther Dyson

Photo by Yousuf Karsh, 1948
(Yousuf Karsh / Library and Archives Canada / PA-212510)

from Lifeinlegacy.com

Stephanie Guest

From Wikipedia

pinguino k

Engraved image of Euclid

Photo credit: Grazzia Borrini-Feyerabend

Wartime Los Alamos badge photo

Phil Foglio, taken by Alan De Smet at Gen Con Indy 2007

Wikipedia

Credit: David Shankbone, 2006, New York City

Larry D. Moore (2006-10-11)

www.chrismsaunders.com

Andy Davison

www.vjbooks.com

Image © ÖNB/Wien

Credit: Aquarius2000 (Wikipedia user), 2005

Carl Van Vechten (1937)

Nicola Kountoupes
Cornell University Photography

Copyright Eye On Books.

Harvard University

Gage Skidmore

flickr user Ellen Datlow

wikipedia user Jedsen (2006)

Azarnick

Szymon Sokól (2005, Glasgow Worldcon)

San Diego Comic-Con 2006
Copyright © 2006 Ron Hogan

Source: DHD Multimedia Gallery

Simon Haynes

engraving by John Hazlitt

From Owen Barfield Website

An Evening with Neil Gaiman at FIT, Hosted by John Hodgman, September 2006, by Lampbane

Photo by Sage Ross / English Wikipedia.

Courtesy of the NYPL Digital Gallery (image use requires permission from the New York Public Library)

Photo by Chandra Wickramasinghe

Thomas Cranmer by Gerlach Flicke. Wikimedia Commons.

"Professor Huxley. F.R.S."
Courtesy of the NYPL Digital Gallery
(image use requires permission from the New York Public Library)

Joe Inwood

Infrogmation of New Orleans

Joshua Massel

From Owen Barfield Website

Copyright © The Circle of Ancient Iranian Studies (CAIS)

WGA strike supporters outside Harvard Lampoon building, Harvard Square, November 2007; photo by sushiesque

Patricia Williams

Photo by Lars-Olov Strandberg,
Seacon '79 (37th World Science Fiction Convention),
Brighton, England, 1979.
Copyright © Lars-Olov Strandberg

Photo by Marion Ettlinger

Courtesy of Allen and Unwin

San Diego Comic-Con 2006, photo by pinguino k

Peter Macinnis

Photo by Paul Downey / Flickr.

Allen and Unwin Media Centre

Photo courtesy Jonathan Marks.

Used by permission of Baker Publishing Group, copyright © 2008. All rights to this material are reserved. Materials are not to be distributed to other web locations for retrieval, published(see © info.)

Alice Hunt

John Michell

Credit: SolGrundy (Flickr user), 2006

Photo by Kevin Tostado (Flickr)

MDCarchives

Courtesy of the NYPL Digital Gallery (image use requires permission from the New York Public Library)

By sarahfelicity.

Alan Moore photographed by Rachel Lovinger

Wikimedia Commons

David Scanlan

Whitney Hall

Sandro Michahelles

Larry Niven (1938- ) (Wikipedia)

Portrait of Michel de Nostredame (Nostradamus), Painted by his son César de Nostredame about 1614 A.D.

Jerry Bauer

Author: Branch of the National Union of Journalists (BNUJ). Source: http://www.netcharles.com/orwell/

Courtesy of Allen and Unwin

Photo courtesy of Phil Patton

Library of Congress, Prints and Photographs Division

Photo © ÖNB/Wien

by Baxter Knowlton

Richard Dickison

www.chrismsaunders.com

From Episteme Links

Photo by Jack1956, July 2007

Lise Meitner-Graf / © ÖNB/Wien

Taken by Johan Anglemark

Photo by George Sylvain / Flickr.

Eisner Awards (Best Digital Comic), San Diego Comic-Con 2007, by Lampbane

From Wikimedia Commons

Photo by John Zeuli

Joshin Yamada

Credit: Steve Jurvetson, 2007

Photo by Richard B. Ressman

David T. Ritchie, Mercer University School of Law

David Paul Morris

Photo © Jane Bown

Wikipedia

Courtesy of James S. Shapiro

Photo by Alvin Langdon Coburn: Library of Congress Prints and Photographs Division, PH Filing Series (REPRODUCTION NUMBER: LC-USZ62-7904)

from Wikipedia (Richard Rothwell, 1840)

courtesy of the The Warren J. Samuels Portrait Collection at Duke University

Cordwainer Smith (Paul Myron Anthony Linebarger), 1913-1966, courtesy of his daughter @ The Remarkable Science Fiction of Cordwainer Smith

Utopiales, Nantes, photo by Cory Doctorow

Judah Passow/Network Photographers

Portrait of author Christina Stead, 1940s? [picture]
National Library of Australia, nla.pic-an24717059

flickr user Loz Flowers. Credited at Wikipedia to user Loz Pycock.

Image © ÖNB/Wien

taleswapper

Taken by Stewart's wife, Avril Stewart.

photo credit: ITV Granada

Photo by Erik Saulitis

Nassim Nicholas Taleb

Credit: GerardM (Wikipedia user), 2006

Adobe Systems HQ, San Jose, California. Photo by user Coolcaesar / Wikimedia Commons

Flickr user Stephen Roy.

Destiny Tours

Garry Trudeau in 1995, with his father Francis B. Trudeau, Jr. (founder of the Trudeau Institute, an independent, not-for-profit biomedical research center) (courtesy of Garry Trudeau and the Institute)

David M. Alexander

Donna Foster Roizen

nix.ksc.nasa.gov

Gail Simone Spotlight, San Diego Comic-Con International 2009, photo by Loren Javier

David Shankbone, August 2007

Credit: Raven Underwood, 2005

Photo by Napoleon Sarony: Library of Congress Prints and Photographs Division (REPRODUCTION NUMBER: LC-USZC4-7139) (cropped)

Tom Ordelman, 1984

Courtesy of Allen and Unwin

Flickr user dbuk2

Robert De Maio

Photo © ÖNB/Wien

Credit: Linda A. Cicero/Stanford News Service (Stanford University)

Ben Stechshulte