v
I would like to thank the following for their generosity in helping to make
this book as complete as possible, especially in the use of images, biogra-
phies, definitions, essays, and encouragement: Kristina Fallenias, Nobel
Foundation; Fabienne Meyers, International Union of Pure and Applied
Chemistry; Daryl Leja, NHGRI, and National Institutes of Health; essay-
ists Harry K. Garber, Karl F. Moschner, and Theresa Beaty; the many
chemistry Webmasters; and Nancy, Chris, Kevin, Jack, Jennifer, and Jason.
I also wish to thank Frank K. Darmstadt, executive editor, Sara Hov
and Melissa Cullen-DuPont, editorial assistants, and the rest of the staff at
Facts On File, Inc., and my colleague Ron Bailey. I apologize to anyone left
out due to error.
ACKNOWLEDGMENTS
