Richard Rush attended Princeton University, graduating at the age of 17. He pursued legal studies and was admitted to the bar in 1800. Rush held various significant governmental positions, including Attorney General of Pennsylvania and United States Attorney General, the latter at a notably young age. He served as a key advisor to President Madison during the War of 1812 and later as Minister to Britain, where he negotiated pivotal treaties. Rush's career also included roles as Secretary of the Treasury and Minister to France, where he secured crucial legacies and fostered international relations.

Richard Rush's political career reveals a blend of calculated diplomacy and steadfast opposition to anti-slavery sentiments. His advocacy for war with Britain during the War of 1812 juxtaposes his later role in demilitarizing the Canadian boundary through the Rush-Bagot Convention. Rush's support for the establishment of the Smithsonian Institution highlights an unexpected alignment with cultural and educational initiatives. His ideological rigidity on slavery, despite evolving diplomatic stances, presents a complex figure whose policy positions often defy conventional categorization.