Today marks the 285th birthday of Thomas Tyrwhitt. Who is Thomas Tyrwhitt, you ask? Tyrwitt was an 18th-century scholar (born March 27, 1730) who, among many much more important contributions to the study of classical and English literature, came up with the theory that  Shakespeare’s sonnets were dedicated to a man named W. Hughes. This theory would later be expanded and played with in Oscar Wilde’s short story “the Portrait of Mr. W.H.,” the manuscript of which lives here at the Rosenbach…