The National Institute of Health recently announced its plan to retire the fifty remaining chimpanzees held in national research facilities and place them in sanctuaries. This significant decision comes after a lengthy process of examination and debate about the ethics of animal research. For decades, proponents of such research have argued that the discoveries and benefits for humans far outweigh the costs of the traumatic effects on the animals; but today, even the researchers themselves have come to question the practice. John P. Gluck has been one of the scientists at the forefront of the movement to end research on primates, and in Voracious Science and Vulnerable Animals: A Primate Scientist's Ethical Journey (U Chicago Press, 2016) he tells a vivid, heart-rending, personal story of how he became a vocal activist for animal protection.

Gluck begins by taking us inside the laboratory of Harry F. Harlow at the University of Wisconsin, where Gluck worked as a graduate student in the 1960s. Harlow’s primate lab became famous for his behavioral experiments in maternal deprivation and social isolation of rhesus macaques. Though trained as a behavioral scientist, Gluck finds himself unable to overlook the intense psychological and physical damage these experiments wrought on the macaques. Gluck’s sobering and moving account reveals how in this and other labs, including his own, he came to grapple with the uncomfortable justifications that many researchers were offering for their work. As his sense of conflict grows, we’re right alongside him, developing a deep empathy for the often smart and always vulnerable animals used for these experiments.

At a time of unprecedented recognition of the intellectual cognition and emotional intelligence of animals, Voracious Science and Vulnerable Animals is a powerful appeal for our respect and compassion for those creatures who have unwillingly dedicated their lives to science. Through the words of someone who has inflicted pain in the name of science and come to abhor it, it’s important to know what has led this far to progress and where further inroads in animal research ethics are needed.

John P. Gluck is professor emeritus of psychology and a senior advisor to the president on animal research ethics and welfare at the University of New Mexico. He is also research professor of the Kennedy Institute of Ethics at Georgetown University and coauthor of The Human Use of Animals.

Callie Smith is a poet and doctoral candidate in English at the University of Louisiana at Lafayette.

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