The science of dendrochronology has grown significantly in the past 20
years. In the 1950s and 1960s, interest in the subject was limited to
only a handful of scientists who perceived in dendrochronology a "l'art
pour l'art". Today, however, specialists from many different fields
recognize and are pursuing the problems of dendrochronology. Tree-ring
research has acquired a permanent role in the various sciences of
archeology, history, geology, ecology, and climatology. The founders of
dendrochronology themselves were of varied scientific backgrounds and
interests. For example, A. E. Douglass in the United States was an
astronomer, B. Huber in Germany a forest-biologist, and F. N. Shvedov in
Russia a climatologist. Today the spectrum is even broader. Many den-
drochronologists are authorities in mathematics, archeology, history,
forestry, botany, wood technology, ecology geography, geology, etc. It
is, therefore, understandable that it has become almost impossible for
one individual to encompass the entire field. Bitvinskas (1974), Fritts
(1976), Schweingruber (1983), and Mitsutani (1990) have attempted, each
guided by his own interests, to provide at least an overview of the
field. Recently, individual aspects have been presented by groups of
authors in books edited by Fletscher (1978), Hughes et al. (1982),
Jacoby and Hornbeck (1987) and Bradley and Jones (1992). It is very
likely that in the future summaries covering each branch of
dendrochronology will be published.