Pierre Eugene du Simitiere (born Pierre-Eugène Ducimetière, French: [pjɛʁ øʒɛn dysimtjɛʁ]; 18 September 1737,[1] Geneva – October 1784, Philadelphia, Pennsylvania) was a Genevan American member of the American Philosophical Society, naturalist, American patriot, and portrait painter.
Du Simitiere served as the artistic consultant for the committees that designed the Great Seal of the United States, and submitted the first proposed design to include the Eye of Providence and suggested the adoption of the U.S. motto E pluribus unum ("Out of Many, One").