
Arthur Barker
Arthur Edward James Barker (1850-1916). British surgeon, asepsis pioneer, and key figure in local infiltration and spinal analgesia.

Arthur Edward James Barker (1850-1916). British surgeon, asepsis pioneer, and key figure in local infiltration and spinal analgesia.

Carl (Karl) Koller (1857–1944), Austrian ophthalmologist who introduced cocaine as the first practical local anaesthetic in 1884, transforming surgery and enabling regional and neuraxial anaesthesia.