Three-quarters length portrait of Liddell seated, turned to the right; he wears black academic dress and collar; in his right hand he holds a mortar board. The background is reddish brown.
Very badly damaged; he faces the left of the picture; he wears a white shirt and black suit; his hands are clasped against his chest; the background is brown.
Half-length portrait of Vincent turned to the left; he is seated; he wears a black silk cassock; a medallion hangs from a red ribbon round his neck [badge of the Order of the Bath]. Inscribed: 'Wm. Vincent D.D. 1788-1802).
Digitally generated image of Robert Hooke. This was the winning entry of the 'Portraying Robert Hooke' competition run by the Library of the Royal Society in 2003 to mark the tercentenary of Robert Hooke's death. The prize was donated by the Royal Institution of Chartered Surveyors. One of an edition of six.