746419 Charles Edouard Brown-Sequard, c.1880 (litho) by American School, (19th century); Private Collection; (add.info.: Charles-?douard Brown-S矇quard (1817-94), also known as Charles Edward, was a Mauritian physiologist and neurologist who, in 1850, became the first to describe what is now called Brown-S矇quard syndrome.); American, out of copyright.