Editorial Quantitative Microbiology 1 (1999): 5 # 1999 Kluwer Academic Publishers, Manufactured in The Netherlands ``When you measure what you are speaking about and express it in numbers, you know something about it, but when you cannot express it in numbers your knowledge about it is of a meager and unsatisfactory kind.'' William Thomson (Lord Kelvin) Microorganisms are of importance in a vast diversity of situations, from infectious disease to human and animal ecology to biodegradation (among other examples). A thorough understanding of their importance requires a thorough quantitative characterization of the processes and phenomena in which microorganisms are engaged. With the increasing development of microbial sciences using tools and techniques of modern molecular biology, it has seemed to many that a divergence away from quantitative thinking has occurred. This is surprising, since early bacteriologists were at the forefront of mathematical and statistical thinking. For example, ``Student'' (W.F. Gossett) developed fundamental statistical concepts arising from quality control of fermentation processes in brewing. Perhaps the ®rst major application of likelihood estimation techniques arose with the use of most probable number techniques for assessment of water quality. With modern concerns over the risk posed by microorganisms (as pathogens) to humans and non-human populations, the role of microorganisms in degrading toxic materials, and the use of microorganisms as reagents in industrial processes, it is time for a reinvigoration of quantitative thinking into the ®eld. It is to this end that Quantitative Microbiology has been founded. It is our hope that this venue may become a common ground for life scientists, mathematicians and statisticians to set forth new paradigms whereby the microbial world and be more fully ``express[ed] in numbers''. I welcome your comments and suggestions as we progress. Charles N. Haas Editor-in-Chief, Quantitative Microbiology Haas@drexel.edu http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantitative Microbiology Springer Journals


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Kluwer Academic Publishers
Copyright © 1999 by Kluwer Academic Publishers
Environment; Environmental Engineering/Biotechnology
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