A half-length seated portrait of Joseph Priestley (1733–1804), an English clergyman and natural philosopher who discovered oxygen.
Portrait of Ezekiel [Ezéchiel] Weintraub, a Russian-born chemist who was the first to produce 99 percent pure boron in 1909.
A half-length portrait of French scientist Joseph Louis Gay-Lussac (1778–1850).
Mezzotint of a portrait bust of the Irish chemist Robert Boyle (1627–1691) in an arched niche.
A half-length seated portrait of Martin Folkes (1690–1754), English mathematician and president of the Royal Society.
A half-length seated portrait of the 17th-century doctor Gerardus Blasius pointing to an anatomy figure in a book.
A framed portrait of Joseph Black (1728–1799), professor of chemistry at University of Glasgow, seated and holding a document.
A three-quarter-length portrait of Thomas Graham (1805–1869), the Scottish chemist who worked on the diffusion of gases.
A portrait of English naturalist Charles Darwin (1809–1882) sitting in a wicker chair near a hanging tapestry.
A mid-length portrait of Robert Hare, MD.