Augustus Montague Summers (1880-1948) was an English author and clergyman born in Bristol. Despite initially studying to work for the Church of England, Summers converted to Catholicism and worked as a teacher of English and Latin. He's well-known for his studies of the supernatural, and his most notable works are History of Witchcraft and Demonology, 1926, and his 1928 translation of the 15th century manual for witch hunters, the Malleus Maleficarum.