Hippocrates
Thomas Sydenham
James Lind
Benjamin Jesty
Edward Jenner
Ignaz Semmelweis
John Snow
Louis Pasteur
Robert Koch
John Graunt
William Farr
Bernardino Ramazzini
Edgar Sydenstricker
Doll and Hill
Florence Nightingale
Janet Lane-Claypon
Alice Hamilton
Wade Hampton Frost
Identified various modes of transmission and incubation times for cholera
B. Provided classifications of morbidity statistics to improve the value of morbidity information
C. Observed in the 17th century that certain jobs carried a high risk for disease
D. Introduced the words "epidemic" and "endemic"
E. Advanced useful treatments and remedies including exercise, fresh air, and a healthy diet, which other physicians rejected at the time
F. Through an experimental study, showed that lemons and oranges were protective against scurvy
G. Invented a vaccination for smallpox
H. The father of modern epidemiology
I. Used data as a tool for improving city and military hospitals
J. Conducted the first cohort study investigating the association between smoking and lung cancer
K. Promoted the idea that some diseases, especially chronic diseases, can have a multifactorial etiology
L. Observed that milkmaids did not get smallpox, but did get cowpox
M. Developed a vaccine for anthrax
N. Pioneered the use of cohort and case-control studies to identify risk factors for breast cancer
O. A pioneer in the field of toxicology
P. Credited for producing the first life table
Q. Used photography to take the first pictures of microbes in order to show the world that microorganisms in fact existed and that they caused many diseases
R. A statistician who was a pioneer in developing the theory of epidemiologic study design and causal inference
S. Discovered that the incidence of puerperal fever could be drastically cut by the use of hand washing standards in obstetrical clinics