[Rev. J. Joyce]; b. 24 Feb., Mildred’s Court, London; became a glazier; studied for Unitarian ministry on death of his father; also studied mathematics and Latin; tutor to the sons of Earl Stanhope; became mbr. of Society for Constitutional Reform and London Corresponding Society. fnd. Jan. 1792; arrested at Stanhope’s house in Kent on a charge of ‘treasonable practices’, 4 May 1794; sentenced to imprisonment in Tower of London on a charge of High Treason, 19 May;

arraigned at Old Bailey, 25 Oct.; released after acquittal of co-defendants; lost employment with Stanhope; issued educational works on science and mathematics; ed. George Gregory’s Dictionary of Arts and Sciences (1809) with William Nicholson; contrib. to Rees’s Cylopaedia (1802-1819); secretary of the Unitarians and minister of Unitarian chapel at Hampstead at his death, 21 June; left a widow and six children.