Oskar Jensen is an author and academic. He researches songs at Newcastle University and has written scholarly tomes on Napoleon, ballad-singing and, most recently, the London streets in Vagabonds: Life on the Streets of Nineteenth-century London. He is a BBC New Generation Thinker, appearing frequently on Radio 3 and 4, as well as showing up in the New Statesman, on Who Do You Think You Are?, and as historical advisor for 2018's Vanity Fair and the forthcoming biopic of Mary Wollstonecraft, If Love Should Die. Helle and Death, Oskar's debut adult novel and the first to feature Danish sleuth Torben Helle, was published by Viper in 2024.