Wilhelm His

December 29th Born 29 Dec 1863; died 10 Nov 1934 at age 70. A Swiss cardiologist who  fully described the group of modified…

Ian Donald

December 27th Born 27 Dec 1910; died 19 Jun 1987 at age 76. A British doctor who first succeeded in using reflective ultrasound…

Vladimir Bekhterev

December 24th Vladimir Mikhailovich Bekhterev was a Russian neurophysiologist and psychiatrist who studied the anatomy and physiology of the nervous…