John Joseph Mackenzie
Encyclopedia
John Joseph Mackenzie was a Canadian
pathologist
and bacteriologist
. He was born at St. Thomas
, Ontario
, and was educated at Toronto
, Leipzig
, and Berlin
universities, and later was appointed bacteriologist at the Ontario Board of Health. In 1900 he became professor
of pathology and bacteriology in Toronto University. He was made fellow of the Royal Society of Canada
(1909), president of the Canadian Institute (1909), and a member of the Society of American Bacteriologists
and of the American Association of Pathologists and Bacteriologists
. He contributed scientific papers to the medical press and published Recent Theories in Regard to the Causes of Immunity to Infectious Disease (1907).
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
pathologist
Pathology
Pathology is the precise study and diagnosis of disease. The word pathology is from Ancient Greek , pathos, "feeling, suffering"; and , -logia, "the study of". Pathologization, to pathologize, refers to the process of defining a condition or behavior as pathological, e.g. pathological gambling....
and bacteriologist
Bacteriology
Bacteriology is the study of bacteria. This subdivision of microbiology involves the identification, classification, and characterization of bacterial species...
. He was born at St. Thomas
St. Thomas, Ontario
St. Thomas is a city in southern , Ontario, Canada. It is the seat for Elgin County and gained its city charter on March 4, 1881.-History:...
, Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....
, and was educated at Toronto
University of Toronto
The University of Toronto is a public research university in Toronto, Ontario, Canada, situated on the grounds that surround Queen's Park. It was founded by royal charter in 1827 as King's College, the first institution of higher learning in Upper Canada...
, Leipzig
University of Leipzig
The University of Leipzig , located in Leipzig in the Free State of Saxony, Germany, is one of the oldest universities in the world and the second-oldest university in Germany...
, and Berlin
Humboldt University of Berlin
The Humboldt University of Berlin is Berlin's oldest university, founded in 1810 as the University of Berlin by the liberal Prussian educational reformer and linguist Wilhelm von Humboldt, whose university model has strongly influenced other European and Western universities...
universities, and later was appointed bacteriologist at the Ontario Board of Health. In 1900 he became professor
Professor
A professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank...
of pathology and bacteriology in Toronto University. He was made fellow of the Royal Society of Canada
Royal Society of Canada
The Royal Society of Canada , may also operate under the more descriptive name RSC: The Academies of Arts, Humanities and Sciences of Canada , is the oldest association of scientists and scholars in Canada...
(1909), president of the Canadian Institute (1909), and a member of the Society of American Bacteriologists
American Society for Microbiology
The American Society for Microbiology is a professional organization for scientists who study viruses, bacteria, fungi, algae, and protozoa as well as other aspects of microbiology. Microbiology is the study of organisms too small to be seen with the naked eye and which must be viewed with a...
and of the American Association of Pathologists and Bacteriologists
American Association of Pathologists and Bacteriologists
The American Association of Pathologists and Bacteriologists was an American national professional association established in 1901, devoted to the medical sciences as distinct from clinical medicine...
. He contributed scientific papers to the medical press and published Recent Theories in Regard to the Causes of Immunity to Infectious Disease (1907).