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Egyptians used bleeding to treat patients, heiroglyphics sows patients being bled from the neck and feet.
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Aristotle "discovers" that the heart is the central organ of the body.
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Empedocles "discovered" that the heart is the organ of sense, and that all matter is comprised of four roots .
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Herophilus of Chalcedon does one of the first public dissections of a cadaver in alexandria. he finds arteries are thicker than veins and they carry blood.
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Eminent Cairo describes the circulation of blood.
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Fabricius publishes documents containing the first drawings of vein valves.
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Michael Servetus suggests that blood flows through the lungs instead of the heart.
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William Harvey publishes EXERCITATIO ANATOMICA DE MOTU CORDIS ET SANGUINIS IN ANIMALIBUS (ANATOMICAL TREATISE ON THE MOVEMENT OF THE HEART AND BLOOD IN ANIMALS). he describes how blood is circulated throught the body and its pupmed by the heart.
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Jan Swammerdam is the first person to observe and describe red blood cells
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Marcello Malpighi describes the capillary system, the network of veins and arteries.
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Anton van Leeuwenhoek provides an even more accurate description of rbc's. he describes them as being 25000 times smaller than a grain of sand.
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Richard Lower performs the first blood transfusion between animals.
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British obstetrician and physiologist James Blundell perrform the first blood transfusion between humans.
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William Osler observes that bone marrow cells make up clots in blood vessels. (platelets)
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Karl Landsteiner publishes a document about his doscovery on the different types of blood types.
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Alfred von Decastello and Adriano Sturli identify the fouth blood type, AB.
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Dr. Ludvig Hektoen sugests checking patient blood type before giving a blood transfusion.
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Researchers find that mixxing in sodium citrate with blood will stop the blood from clotting.
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Dr. Richard Lewisohn finds that the optimum solution for sodium citrate in blood is just .2%
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Dr. Oswald Robertson stores type o blood to prepare for wounded soldiers coming back from battle. in doing so he created the first blood bank.
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Dr. Serge Yudin is the first to try using cadaver blood to help a human. he succesfully saved a young man using a 60 year olds dead body.
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Mayo Clinic in Rochester, MN organizes a transfusion service for hospitals.
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Federico Duran-Jorda begins collecting blood and refridgerating it so that he can transport it to soldiers in need during the spanish civil war
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Drs. Karl Landsteiner and Alexander Wiener discover there is another blood group. they discover the rh blood group
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Edwin Cohn discovers a way of creating a durable substitute for plasma by seperating out its different proteins
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the american red cross agrees to create a nation wide blood donor service for the war and collect 13 million samples over the course of the war
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Dr. Carl W. Walter develops a plastic bag to hold blood safer and less likely to be contaminated.
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Dr. Max Perutz is able to discover the structure of hemoglobin using x rays
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Dr. Judith Pool discovers that plasma that is frozen and thawed slowly has a higher factor for clotting blood.
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Drs. Kenneth M. Brinkhous and Edward Shanbrom create a highly concentrated form of factor VIII. they create a powdered plasma with this that is 100 times better than any other.
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Dr. Baruch Blumberg discovers a material on hepatitis B that creates antibodies. this led to the creation of a test to identify hepatitis B.
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the first case of GRID (Gay-related Immunodeficiency Disease) is reported.(later called aids)
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Dr. Bruce Evatt suspects that patients with GRID may have the disease becasue it is blood borne.
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Researchers isolate the virus that causes aids and label it LAV (lymphadenopathy-associated virus).
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Dr. Robert Gallo finds the actual virus that causes aids called HTLV III (human T-cell lymphotropic virus).