Archibald Scott Couper was a Scottish chemist born in 1831. He is best known for his work in the field of organic chemistry, particularly for his contributions to the understanding of chemical structures. Couper developed the concept of structural formulas, which helped scientists visualize the arrangement of atoms in molecules. In addition to his research, Couper was a prominent figure in the scientific community during the 19th century. He was associated with the Royal Society of Edinburgh and contributed to various scientific publications. His work laid the groundwork for future advancements in chemistry and influenced many subsequent chemists.