Bradley George Thor Jr. is an American thriller novelist, and putative Republican presidential candidate challenging Donald Trump in the 2020 United States presidential election. He is the author of The Lions of Lucerne, The First Commandment, The Last Patriot, and other novels. His latest novel in the Harvath series, Spymaster, was released in June 2018. Thor's novels have been published in countries around the world. He also contributed a short story entitled "The Athens Solution" to the James Patterson-edited anthology, Thriller. Thor also makes frequent appearances on Fox News and The Blaze.