medical science

Typhoid Mary

Typhoid Mary

On September 23, 1869, Mary Mallon was born, better known as Typhoid Mary was born. She was the first person in the United States identified as an asymptomatic carrier of the pathogen associated with typhoid fever. She was presumed to have infected 51 people, three of whom died, over the course of her career as a cook. She was twice forcibly isolated by public health authorities and died after a total of…
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Thomas Sydenham – the English Hipocrates

Thomas Sydenham – the English Hipocrates

On September 10, 1624, English physician Thomas Sydenham was born. He was the author of Observationes Medicae which became a standard textbook of medicine for two centuries so that he became known as ‘The English Hippocrates’. Among his many achievements was the discovery of a disease, Sydenham’s Chorea, also known as St Vitus Dance. Thomas Sydenham’s struggles with the medical degree Thomas Sydenham was born at Wynford Eagle in Dorset, the son…
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Richard von Krafft-Ebing and Deviant Sexual Behaviour

Richard von Krafft-Ebing and Deviant Sexual Behaviour

On August 14, 1840, Austro-German psychiatrist Richard von Krafft-Ebing was born. He was recognized as an authority on deviant sexual behavior and its medicolegal aspects. He was the author of the foundational work Psychopathia Sexualis, which contained in its last edition more than 200 case histories out of the hundreds of medical and court reports he had collected. Therein, he also coined the terms sadism and masochism. Youth and Education Krafft-Ebing was born…
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Ilya Mechnikov and the Discovery of Macrophages

Ilya Mechnikov and the Discovery of Macrophages

On May 16, 1845, Russian biologist, zoologist and Nobel Laureate Ilya Ilyich Mechnikov was born. He is best known for his pioneering research into the immune system. In particular, Mechnikov is credited with the discovery of macrophages in 1882. Mechnikov received the Nobel Prize in Medicine in 1908, shared with Paul Ehrlich, for his work on phagocytosis.[4] “The duration of the life of men may be considerably increased. It would be true progress to…
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Giovanni Alfonso Borelli and the Science of Biomechanics

Giovanni Alfonso Borelli and the Science of Biomechanics

On January 28, 1608, Renaissance Italian physiologist, physicist, and mathematician Giovanni Alfonso Borelli was born. Trained in mathematics, Borelli also made extensive studies of Jupiter’s moons, the mechanics of animal locomotion and, in microscopy, of the constituents of blood. He also used microscopy to investigate the stomatal movement of plants, and undertook studies in medicine and geology. “No sensible person will deny that the works of Nature are in the highest degree…
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Karl Landsteiner and the Blood Classification System

Karl Landsteiner and the Blood Classification System

On June 14, 1868, Austrian biologist, physician, and immunologist Karl Landsteiner was born. Landsteiner distinguished the main blood groups in 1900, having developed the modern system of classification of blood groups from his identification of the presence of agglutinins in the blood, and identified, with Alexander S. Wiener, the Rhesus factor, in 1937, thus enabling physicians to transfuse blood without endangering the patient’s life. “A single kind of red cell is supposed…
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Sigmund Freud’s Structural Model of the Human Psyche

Sigmund Freud’s Structural Model of the Human Psyche

On April 24, 1923, Sigmund Freud‘s seminal paper “The Ego and the Id” was published, in which he first introduced his structural model of the human psyche. In this paper, he outlined his theories of the psychodynamics of the id, ego and super-ego, which is of fundamental importance in the development of psychoanalysis. According to this model of the psyche, the id is the set of uncoordinated instinctual trends; the super-ego plays…
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Carl Ludwig – Pioneer of Modern Physiology

Carl Ludwig – Pioneer of Modern Physiology

On December 29, 1816, German physician and physiologist Carl Friedrich Wilhelm Ludwig was born. Ludwig was one of the creators of modern physiology. He applied the experimental approach of chemistry and physics to explain the way the body functions. Ludwig investigated the structure of the kidneys and cardiac activity. Early Life Carl Ludwig was born in Witzenhausen an der Werra, near Kassel, Germany. His father was the rent master in Witzenhausen, later promoted…
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James Blundell and the Blood Transfusion

James Blundell and the Blood Transfusion

On December 27, 1790, English obstetrician James Blundell was born. Blundell researched in the technique of blood transfusion, and was the first in Great Britain to perform the procedure using human blood (rather than animal blood) on 26 Sep 1818 at Guy‘s Hospital, London, where he used an apparatus of his his own design to collect and transfer the blood. Early Years James Blundell was born in London, UK, to Major Blundell,…
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Niels Jerne – Explaining the Human Immune System

Niels Jerne – Explaining the Human Immune System

On December 23, 1911, Danish immunologist Niels Kaj Jerne was born. Jerne shared the Nobel Prize in Physiology or Medicine in 1984 with Georges J. F. Köhler and César Milstein “for theories concerning the specificity in development and control of the immune system and the discovery of the principle for production of monoclonal antibodies“. “An immune system of enormous complexity is present in all vertebrate animals. When we place a population of…
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