August Karl Gustav Bier (1861-1949) German Surgeon. Used Esmarch tourniquet forming the basis of his eponymous Bier block regional anaesthesia
Bier Block; Intravenous regional anaesthesia (IVRA) provides a simple, safe technique for various surgeries on the upper and lower limbs. First performed by Bier in 1908 and fell into disuse
Charles McKinnon (Mack) Holmes (1935 - 2020) was a New Zealand anaesthetist.