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Alexander Wiener

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Alexander Wiener
(March 16, 1907 - November 6, 1976)
Born in the United States
Year of Discovery: 1937
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Image Courtesy: Lasker Foundation Put the Positive or Negative in Your Blood Type

Wiener, the son of Russian immigrants, was a skilled mathematician, president of his high school math club, and studied math at Cornell University. But, to the benefit of many, he majored in biology and specialized in the study of blood groups. It was through this work that Wiener discovered the Rh factor. Wiener's discover of the Rh factor led to safer blood transfusions in adults and to the development of the first blood transfusion method to treat children with Rh haemolytic disease.

Rh haemolytic disease is also known as Hemolytic Disease of the Newborn (HDN). This is a serious, and sometimes fatal disease, that occurs when a fetus's blood type is incompatible with the mother's blood type. Blood is not only classified by type (A, B, O, AB) but also by what is known as Rhesus factor, or Rh factor. The Rh factor is either positive or negative. HDN can occur when a mother is Rh negative and a fetus, having inherited the father's trait, is Rh positive. When a child is delivered, it's common for some of its red blood cells to enter into the mother's bloodstream. When this occurs, the mother's system (Rh negative) sees the newborn's blood (Rh positive) as an invader, and this triggers an immune response. The first child born escapes harm, but the mother is now "sensitized" to the Rh positive factor. But, when this Rh negative mother has subsequent Rh positive fetuses, the immune response begins immediately, attacking them while they are still in the womb. This attack may produce only minimal complications, such as mild anemia and jaundice, or may result in life-threatening conditions, such as seizures, heart failure and brain damage. Thanks to Finn's discovery, Hemolytic Disease of the Newborn is highly preventable, and virtually all pregnant women are now tested for Rh factor.

Just 23 years old, Wiener began collaborating with Karl Landsteiner, the physician who had discovered the four basic blood groups (A, B, AB, and O). Together they discovered additional blood factors, which they identified as M, N, and P. But, while researching rhesus monkey blood cells, the pair discovered yet an additional blood factor. They called this factor Rh, after the rhesus monkey. Wiener did not initially realize the significance of his discovery. But, as he continued to delve deeper, he began to unravel the mystery of this new blood factor. He observed that the first transfusion of Rh-positive blood into an Rh-negative patient, though likely causing no harm, set in motion the production of antibodies against the Rh-positive blood. This then set the stage for a negative, and potentially fatal, reaction to a second such transfusion. It was this understanding that led to Wiener's identification of the complications between mothers and infants with different Rh factors. He knew that once Rh-negative mothers had been "sensitized" to Rh-positive blood they would produce antibodies. This explained how the serious, and sometimes fatal, Hemolytic Disease of the Newborn (HDN) functioned. But Wiener wasn't satisfied with just understanding the process - he was determined to find a cure. Drawing on his thorough knowledge of blood, he devised an ingenious method to treat the newborns. Wiener developed a transfusion method to completely replace all of the infant's Rh-positive blood with Rh-negative blood. The process, known as an exchange transfusion, worked beautifully. The infants who had been at risk of death were instead now normal, healthy sons and daughters. Wiener's discovery was a godsend to parents, helping to thwart a major contributor to infant mortality.

Wiener's work with blood groups led to the discovery of blood "fingerprints." He and Landsteiner recognized that specific individuals had unique profiles of the various blood groups, and that they could use these profiles to positively identify people from their blood. Thus began a lifelong association between Wiener and law enforcement. Wiener made many significant discoveries in the emerging filed of forensics, consulted often with police on criminal investigations, and even helped write a new set of laws dealing with the forensic use of blood in criminal cases. Real life crime writers often used Wiener's cases as the basis for their stories, and he was eventually given an honorary membership in the Mystery Writers of America.
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Introduction by Tim Anderson


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Table of Contents

Introduction
Links to More Information About the Scientist
Key Insight
Key Experiment or Research
Quotes by the Scientist
Quotes About the Scientist
Anecdotes
Fun Trivia About The Science
The Science Behind the Discovery
Personal Information
Key Contributing Scientists
Science Discovery Timeline
Recommended Books About the Science
Books by the Scientist
Books About the Scientist
Awards
Major Academic Papers
Curriculum Vitae
Links to Science and Related Information on the Subject
Sources

 








Links to More About the Scientist & the Science

faqs.org biography:
http://www.faqs.org/health/bios/77/Alexander-Wiener.html

The Individualist biography:
http://www.dadamo.com/wiki/wiki.pl/Alexander_Wiener

Wikipedia entry:
http://en.wikipedia.org/wiki/Alexander_S._Wiener




Sliders & Images here




Image Flow Here




Key Insight




Key Experiments or Research




Quotes by the Scientist




Quotes About the Scientist




Anecdotes




Fun Trivia About the Science




The Science Behind the Discovery



Personal Information




Key Contributing Scientists to the Discovery




Scientific Discovery Timeline




Recommended Books About the Science




Books by the Scientist




Books About the Scientist

 



Awards




Major Academic Papers Written by the Scientist



Curriculum Vitae



Links to Information on the Science





Sources/References




 

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