Leslie Stephen,
Dictionary of National Biography…
(1899)
“ Through their resentment Wallis lost his entire medical practice, and was obliged to remove to London, where an expurgated edition of the play appeared in the same year. In London he commenced as a lecturer on the theory and practice of physic, and in 1778 published an ‘Essay on the Evil Consequences attending Injudicious Bleeding in Pregnancy’ (London, 1781, 2nd edit. 8vo) . He died in London, at Red Lion Square, on 29 Jan. ”
