This book would not exist without the generous attentions and critical tractions
of professors, colleagues, students, and friends over ﬁfteen years or so.
Special thanks are due Judith Farquhar—for her marvelous examples of
discernment and clarity of explanation, and much more, over many years—
and for her initial welcome of this book as part of the Duke University Press
series Body, Commodity, Text. I also thank Ruel Tyson for contributions to my
scholarly vocation and formation at so many crucial junctures, including many
parts of this book. And I thank Larry Churchill for welcoming me to the in
terdisciplinary conversations at
Social Medicine, which has become such
a ﬁne intellectual home.
Among colleagues at the University of North Carolina, Chapel Hill, who
shaped the book most directly—by commenting over the years on writing, of-
fering bibliographic recommendations, thinking with me about biomedicine-
as-culture, and more—are Keith Wailoo, Tomoko Masuzawa, Carol Mavor (all of
whom critiqued the dissertation that preceded the book), Kevin Parker, Richard
Clark, Victor Braitberg, Fletcher Linder, Della Pollock, Mark Olson, Keith
Cochran, Stephen Pemberton, Joel Elliott, Roper Marks, and Larry Russell.
I am indebted to my hosts at the University Hospital Department of Radiol-
ogy where I conducted my ﬁeldwork in the late 1990s. The chair and vice-chairs
and the directors of
services were welcoming and cooperative. Members of
resident and attending staff, many technologists, several nurses and adminis-