The diversity of living forms and the unity of evolutionary processes are themes that have permeated the research and writing of Ernst Mayr, a Grand Master of evolutionary biology. The essays collected here are among his most valuable and durable: contributions that form the basis for much of the contemporary understanding of evolutionary biology. “Mayr has shown himself to be a true follower of Darwin, Wallace, and Huxley. His writings are lively and critical, and they provide remarkable insight into the development of the field.” ― Peter H. Raven , Science “The range of topics covered in these essays is awesome when one realizes that they are the product of a single mind.” ― Francisco J. Ayala , Sciences “Ernst Mayr not only ranks among the great evolutionary biologists of this century; he is also one of the best writers. This collection is of lasting importance.” ― E. O. Wilson The diversity of living forms and the unity of evolutionary processes are themes that have permeated the research and writing of Mayr. Ernst Mayr was Alexander Agassiz Professor of Zoology, Emeritus, at Harvard University. He was the recipient of numerous honorary degrees and awards, including the Crafoord Prize for Biology, the National Medal of Science, the Balzan Prize, and the Japan Prize. New Mint Condition Dispatch same day for order received before 12 noon Guaranteed packaging No quibbles returns