author

J. S. Forsyth

Best known for Demonologia (1827), this early 19th-century British writer explored superstition, occult belief, and popular curiosity with a strongly rational bent. His books move between folklore, science, and practical knowledge, giving them an unusual mix of skepticism and period charm.

1 Audiobook

Demonologia : or, natural knowledge revealed; being an exposé of ancient and modern superstitions, credulity, fanaticism, enthusiasm, & imposture, as connected with the doctrine, caballa, and jargon, of amulets, apparitions, astrology, charms, demonology, devils, divination, dreams, deuteroscopia, effluvia, fatalism, fate, friars, ghosts, gipsies, hell, hypocrites, incantations, inquisition, jugglers, legends, magic, magicians, miracles, monks, nymphs, oracles, physiognomy, purgatory, predestination, predictions, quackery, relics, saints, second sight, signs before death, sorcery, spirits, salamanders, spells, talismans, traditions, trials, &c. witches, witchcraft, &c. &c. the whole unfolding many singular phenomena in the page of nature

Demonologia : or, natural knowledge revealed; being an exposé of ancient and modern superstitions, credulity, fanaticism, enthusiasm, & imposture, as connected with the doctrine, caballa, and jargon, of amulets, apparitions, astrology, charms, demonology, devils, divination, dreams, deuteroscopia, effluvia, fatalism, fate, friars, ghosts, gipsies, hell, hypocrites, incantations, inquisition, jugglers, legends, magic, magicians, miracles, monks, nymphs, oracles, physiognomy, purgatory, predestination, predictions, quackery, relics, saints, second sight, signs before death, sorcery, spirits, salamanders, spells, talismans, traditions, trials, &c. witches, witchcraft, &c. &c. the whole unfolding many singular phenomena in the page of nature

by J. S. Forsyth

About the author

J. S. Forsyth appears to have been a British author active in the 1820s and early 1830s. Reliable catalog and digitized book records connect the name with The Antiquary's Portfolio (1825), Demonologia; or, Natural Knowledge Revealed (1827), and The First Lines of Philosophical and Practical Chemistry as Applied to Medicine and the Arts (1828).

Of those works, Demonologia is the one most often remembered. It sets out to examine superstition, witchcraft, astrology, apparitions, charms, and related beliefs in a broad, skeptical survey, suggesting an author interested in explaining strange claims rather than simply repeating them.

Very little solid biographical information about Forsyth seems to survive in widely available sources, so even basic personal details are uncertain. What can be said with confidence is that his writing sits at an interesting crossroads: part antiquarian curiosity, part popular science, and part critique of the supernatural.