The scientist noted for their contributions to organic chemistry is August Kekulé. Kekulé is best known for proposing the structural representation of benzene, which revolutionized the understanding of chemical structures. His idea of resonating structures transformed how chemists view and study complex organic molecules. Kekulé’s work laid the foundation for developments in aromatic chemistry, influencing both theoretical and practical aspects of the field. His legacy continues to impact modern organic synthesis and molecular design.