While I alone must take full responsibility for the subject matter contained herein, many have contributed in the preparation of this volume. To all of them, my deep appreciation.
I owe a special debt of gratitude to:
Dr. Clarence J. ("Doc") Enzler, a long-time USDA employee of high competence and unqualified integrity, who did much of the basic research, arrangement of materials, gave detailed assistance in the style of presentation, and did some of the writing.
My staff of loyal, devoted and dedicated public servants without whose united and unselfish service this book would have been impossible.
Members of my family who gave helpful suggestions and endured demands on my time which lessened the hours with them.
Sam Vaughan of Doubleday for encouragement, editorial help, and for seeing the project through publication.
Dwight D. Eisenhower, who invited me, a stranger, into his Cabinet and who through eight difficult but rewarding years, offered his heroic and... well, that story follows.