This book tells novel true stories concerning lightly talented civilian scientists, who were carrying out research on defense against poison gases in some unusual places during World War II. Most of these were graduate students, working under the direction of professors at the California Institute of Technology (Caltech) and the University of California (Berkeley). The general reader will be able to follow these mostly non-technical accounts of the research and enjoy the many stories concerning the background and adventures of these university scientists, including their working together with army personnel on army bases. The first job was to make major improvements on gas masks. Later, most activities were done outdoors to assess the effects of terrain and meteorological conditions on the travel and dissipation of toxic gas clouds. Action took place in California, Florida, and the jungles of Panama.