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Dr. Hamilton is one of the great pioneers in industrial hygiene. Her autobiography is a readable, diary-like record of her experiences in industrial hygiene intermingled with her thoughts and actions outside her professional field. Deep sincerity and a consuming desire to improve the lot of her fellow human beings are the strong motivating forces of her life as revealed here. Dr. Hamilton is best known in medical circles for her pioneer discoveries in lead poisoning. Her work carried her also into other industries and the investigation of other industrial processes: copper, picric acid and the air hammer, for example; but lead has remained the recurring theme of Dr. Hamilton's professional life. Although she speaks frequently of employers who resisted reform measures, the facts as presented record a degree of cooperation from employers which, on the whole, was better than might have been expected. The book contains many commentaries on the
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