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This is the only book written by someone working in the field that deals with the history of gene action. As a college student, Werner Maas took a course in genetics in 1941 and wondered why so little was said about the biochemical action of genes in controlling the specific function of an organism. Just at that time, biochemists and geneticists began to investigate jointly the basis of gene action, especially in microorganisms. Thus, Maas was able to witness firsthand the spectacular developments that led in the next twenty-five years to a clear picture of the action of genes. The history of...

This book is based on Hans Zahner's Biologie der Antibiotica, published in 1965. There is a vast literature on antibiotics, covering chemical, phar macological, and clinical aspects. We have made no attempt to cover this literature comprehensively. Our effort is directed toward discuss ing antibiotics as biological agents. They are substances produced by living cells, yet they are able to inhibit the growth of living cells - in many cases even the cells that produce them. We have taken this apparent biological paradox as our point of departure and have tried to look in this light at the...