This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Trevor Williams was educated at Bristol’s Clifton College and at Queens College, Oxford. He was Nuffield Research Scholar during 1942–1945, working with Howard Florey and Ernst Chain on penicillin and other antibiotics. From 1945 until 1996 Williams worked for the Imperial Chemical Industries (ICI) journal Endeavour, serving as the editor for four decades.