Engineering 2 9/29/17

They began to figure out which type of plant is pousionous and which were helpful in diffrent ways

Ehrlich carried out work on lead poisoning from which he evolved the theory that was to guide much of his subsequent work

In 1932 German bacteriologist Gerhard Domagk announced that the red dye Prontosil is active against streptococcal infections in mice and humans.

Alexander Fleming developed antibiotics by accident by finding a bit of mold called Penicillium—P which was used to later develop the drug penicillin

Selman Waksman, Albert Schatz, and Elizabeth Bugie announced the discovery of streptomycin

By 1944 adequate amounts of Penicillin were available to meet the extraordinary needs of wartime

August von Wassermann gave his name to the blood test for syphilis

Charles Mantoux developed a skin test for tuberculosis.

English bacteriologist Almroth Wright introduced a vaccine prepared from killed typhoid bacilli as a preventive of typhoid

typhoid vaccination was adopted for the use of British troops serving in the South African War

an efficient vaccine, or toxoid, as it is known in the cases of tetanus and diphtheria was produced against tetanus.

The Egyptian Imhotep describes the diagnosis and treatment of 200 diseases

Alcmaeon of Croton distinguished veins from arteries

Birth of Hippocrates, the Greek father of medicine begins the scientific study of medicine and prescribes a form of aspirin

Diocles wrote the first known anatomy book

Herophilus studies the nervous system

Birth of Galen. Greek physician to gladiators and Roman emperors

Persian physician Rhazes identifies smallpox

Avicenna writesThe Book of Healing and The Canon of Medicine

Leonardo da Vinci dissects corpses

Vesalius publishes findings on human anatomy in De Fabrica Corporis Humani

Zacharius Jannssen invents the microscope

William Harvey publishes An Anatomical Study of the Motion of the Heart and of the Blood in Animals which forms the basis for future research on blood vessels, arteries and the heart

Sir Christopher Wren experiments with canine blood transfusions