James Apjohn ( 1796 - 1886 )
Birth: Limerick (01 September 1796) Death: County Dublin (02 June 1886) Research Field: Chemistry, Physics Education: Tipperary Grammar School; Trinity College, Dublin (1813) BA (1817) BM (1821) MD (1837) Career: Professor of Chemistry, Royal Cork Institution (1826-1828); Professor of Chemistry, Royal College of Surgeons (1828-1850); Professor of Applied Chemistry, Trinity College, Dublin (1841-1881); Professor Mineralogy, Trinity College, Dublin (1845-1881); University Professor of Chemistry, Trinity College, Dublin (1850 - 1875); awarded the Cunningham Gold Medal of the Royal Irish Academy for essay 'A new method of investigating gaseous bodies' (1837); worked on determination of the dew point using the wet bulb hygrometer, suggesting a formula that became known as Apjohn's formula; analysed and described a new mineral from Grahamstown, South Africa which was named Apjohnite Memberships: FCS 1861; MRIA Vice-President; Fellow of the King's and Queen's College of Physicians Membership: Fellow Election Date: 2/06/1853.