ix
We 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,
biographies, essays, and encouragement: Darryl Leja, NHGRI, National
Institutes of Health, for wonderful illustrations; Marissa Mills, Human
Genome Management Information System, Oak Ridge National Laborato-
ry, U.S. Department of Energy Genomes to Life Program; Celia Boyer,
executive director, Health On the Net (HON) Foundation; Kristina Fall-
enias, Nobel Foundation; Fabienne Meyers, International Union of Pure
and Applied Chemistry; Robert Dirig, Cornell University; Centers for Dis-
ease Control; William and Greta Wagle; John McConnell; John C. Bren-
ner; Demetra Xythalis; Joseph Deuel, Petrified Sea Gardens, Inc.; Betty
Harrison; James G. (Spider) Barbour; Hideki Horikami; Thomas Wittling;
and to Nancy, Chris, Kevin, and Jack.
Finally, thanks to Frank K. Darmstadt, our very patient editor, and the
rest of the staff at Facts On File for their contributions.
We apologize to anyone left out in error.
ACKNOWLEDGMENTS