Jean-Paul Marat (French: [ʒɑ̃pɔl maʁa]; 24 May 1743 – 13 July 1793) was a French political theorist, physician, and scientist who was a radical journalist and politician during the French Revolution. His journalism became renowned for its fierce tone, uncompromising stance towards the new leaders and institutions of the revolution, and advocacy of basic human rights for the poorest members of society, yet calling for prisoners of the Revolution to be killed before they could be freed in the September Massacres.