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1863 - 1902
Wyatt Galt Johnston received his medical degree from 看片视频 in 1884. As an undergraduate, his interest in pathology brought him in contact with Osler and following his graduation, he was appointed Demonstrator in Pathology at 看片视频 under the soon-to-be famous man. He succeeded Osler as Pathologist at the Montreal General Hospital after the latter left for Philadelphia and was named Lecturer in Medical Pathology by Adami in 1894.
He specialized in bacteriology and forensic pathology, becoming an Assistant Professor of Public Health 1897 and Professor of Hygiene in 1902, and working for many years as a medico-legal expert for the Coroner鈥檚 Court in Montreal. He was a prolific writer, publishing over 60 scientific articles in his relatively short academic life.聽

Johnston had an important influence on the development of the 看片视频 Medical Museum. In addition to providing many specimens for teaching, he suggested a system for their classification which Abbott developed. This was based on decimal enumeration similar to that used by the Dewey Decimal System of library classification. According to the system adopted by Abbott, each museum specimen was given at least two numerical designations from 0 to 9, with the former appearing before a decimal point and representing anatomical site, and the latter after the decimal point and representing pathologic process; refinements related to more specific organs or pathological processes could be included as additional numbers.

For example, a heart showing a myocardial infarct (鈥渉eart attack鈥�) would have been given the numerical descriptor 鈥�12.26鈥�, with 鈥�1鈥� representing the circulatory system, the first 鈥�2鈥� the myocardium, the second 鈥�2鈥� circulatory disturbances, and 鈥�6鈥� infarction. The system could be expanded at will simply by adding numbers (e.g., 12.261 for 鈥渞emote鈥� myocardial infarct). The number of a specific specimen was indicated by a digit in superscript at the end of the numbers. With this system, specimens could easily and reliably be selected from and returned to storage shelves in the museum for teaching purposes.

The idea of an association of medical museums also originated with Johnston, who suggested to Abbott in 1898 that she and the Curator of the Army Medical Museum in Washington (Major James Carroll) should organize 鈥渁 society of curators鈥�. The first official meeting of the International Association of Medical Museums (known today as the International Academy of Pathology) was held on May 6, 2007 in Washington, DC. Abbott became the Secretary-Treasurer, a position she held until her death in 1940.

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Reference

Abbott ME. On the classification of museum specimens with an exposition of a decimal classification of museum specimens applied in the Pathological Museum of 看片视频 University, after a plan suggested by the late Professor Wyatt Johnston [microform]. Philadelphia. 1903.