R. Austin (Richard Austin) Freeman

Born in London in 1862, R. Austin Freeman trained as a doctor at Middlesex Hospital before becoming a full-time writer. His medical background became the foundation of his fiction, giving his mysteries an unusual level of forensic detail and practical reasoning.

He is best known for creating Dr. John Thorndyke, a medico-legal investigator who solved cases through close observation and scientific method. Freeman is also widely credited with popularizing the "inverted detective story," a form that shows the crime early and shifts the suspense to how the detective will uncover the truth.

Alongside his fiction, Freeman also wrote about his experiences in West Africa, drawing on time he spent there as a colonial medical officer. He died in 1943, but his work remains important in the history of crime writing because it helped move the genre toward evidence-based detection and forensic realism.