Alexander John Gaspard Marcet FRS (1 August 1770 – 19 October 1822), was a Genevan-born physician who became a British citizen in 1800.
His wife Jane Marcet was a prolific author, whose series of books entitled 'Conversations' treated topics such as chemistry, botany, religion and economics.
Author: Henry Meyer (1782?-1847) from original painting by Sir Henry Raeburn (1756-1823) Source: Clinical Chemistry, 2001, volume 47 pages 784-792 License: CC-PD-Mark PD-Art (PD-old default) PD-Art (PD-old-70)