WHILE WORKING ON A PROJECT from which he would derive his thesis for

discovered the auscultatory method for measuring systolic and diastolic arterial pressure levels. A few students of clinical methods and of arterial pressure have manifested an interest in the history of this discovery. W. H. Lewis, Jr. (1) in his article on the evolution of clinical sphygmomanometry quoted the entire com-munication that Korotkoff (2) presented at a meeting of the Imperial Military Medi-cal Academy in St. Petersburg, December, 1905. In 271 words he described the sounds, expressed the opinion that they are formed at the site of arterial compression, and indicated that the systolic level deter