Nerve agents (often incorrectly called “nerve gases”) are unpopular. They are seen as rightly being banned in international law, with only rogue states or organisations making or using them, but it’s never been clear to me why they are so hated compared to, say, explosive bombs and shells. In this excellent book, Dan Kaszeta, one of the world’s experts on the subject, provides a readable, fascinating and well-researched account of their history and use. He also explains why such agents are not as fearsome as their reputation.
This book is, as its title says, a history book. It starts in the 1930s, rightly devotes considerable space to the huge efforts by Nazi Germany to synthesise and test nerve agents, and ends with the use of nerve agents for targeted assassinations in recent years, including by North Korea and Russia to eliminate their perceived opponents. The book is well written, and a page-turner, complete with some interesting characters, ranging from really dodgy individuals to heroes, such as Edmund Tilley, who extracted much valuable information from captured Nazi scientists and technicians. The reader will want to know what happened next, and what happened to a particular individual or group of individuals. At times, it is a spy thriller in Le Carre style, as Kaszeta explains how he, or others, dug out particular pieces of information, which were not intended to see the light of day. But at the same time, it is a scholarly text, with references to sources the author consulted. The chemistry is described in broad terms, but nowhere near enough to show a qualified chemist (such as me) how to synthesise a nerve agent. As it happens, for my PhD, I synthesised compounds related to nerve agents for Porton Down. This taught me that nerve agent chemistry is horrendously expensive and complicated, and requires special equipment and facilities. This is a feature that the author hammers home time and again.
So why haven’t these nerve agents been used more in war? The author argues this is due to the worry that the other side has the same or better capabilities. For this reason, and because of the unreliability of nerve agents thanks to variations in persistence and toxicity caused by rain, temperature and other environmental factors (all described in detail in the book), they have been mostly used to target civilians in, for example, Syria.
I have just one minor quibble about the book. The author makes extensive use of the code names for particular agents, projects or organisations, and a glossary of those acronyms and code names as an appendix would have helped the flow for the reader.
The book is supported by a bibliography and a useful index. Unreservedly recommended for anyone with an interest in the subject.