Euphemia Vale Blake (1817–1904), a British-born American author and critic, was a prolific writer whose works spanned history, science, and social commentary. Active in the 19th century, she contributed extensively to journals such as the North American Review and Christian Examiner, while authoring texts like History of Newburyport (1854), Arctic Experiences (1874), and A History of Tammany Hall (1901).
Her writings explored themes of moral reform, the interaction between environment and human behavior, and the ethical duties of society, as seen in her essays for Popular Science Monthly. A passionate advocate for education and self-discipline as means to combat crime, Blake’s interdisciplinary approach—merging historical analysis with psychological insight—reflects her lasting engagement with the intricacies of human nature and social advancement.