In “Dactylography; Or, The Study of Finger-prints,” Henry Faulds presents a pioneering examination of fingerprinting as a scientific method of identification, melding meticulous observation with empirical research. Faulds argues for the reliability of fingerprints as unique identifiers, situating his work within the burgeoning fields of forensic science and criminology. His literary style is both didactic and engaging, employing case studies and real-world applications to elucidate the principles of dactylography. This seminal text marks a critical moment in the intersection of science and justice, reflecting the late 19th-century preoccupation with quantifying human identity as a means to enhance societal order. Henry Faulds, a Scottish physician and one of the early advocates of fingerprinting, was influenced by his experiences in Japan, where he first observed the potential of fingerprints for personal identification. His background in medicine and interest in anthropology and criminology drove him to develop this method as a tool against crime, spurred by the inadequacies of contemporary identification techniques. Faulds's career, marked by both scientific inquiry and social advocacy, informed his conviction that fingerprinting could revolutionize law enforcement. This compelling work is essential reading for anyone interested in forensic science, criminology, or the evolution of identification practices. Faulds's groundbreaking insights not only laid the foundations for modern forensic science but also invite readers to contemplate the implications of identity in a rapidly changing world.