John Arthur Hill (1872-1951) was a British parapsychologist and author. He worked as a business manager until 1898 and later became interested in psychical research. He joined the Society for Psychical Research between 1927 and 1935. He authored many books on Spiritualism.
Varla Ventura is the author of The Book of the Bizarre and Beyond Bizarre, and a lover of all things strange, freaky, and terrifying. She is the curator of the Weiser Magical Creatures and Paranormal Parlor series of e-books. Visit her at the Blog of the Bizarre: varlaventura.wordpress.com/