Rolla Eugene Dyer (1886-1971), was born in Delaware County, Ohio. Dyer received his B.A. from Kenyon College in Gambier, Ohio, and his M.D. from the University of Texas. He joined the U.S. Public Health Service in 1916. Delaware County is a fast growing suburban county located in the state of Ohio, within the Columbus, OH metropolitan area. ... Kenyon College is a private liberal arts college in Gambier, Ohio, founded in 1824 by Bishop Philander Chase of the The Episcopal Church, in parallel with the Bexley Hall seminary. ... Gambier is a village located in Knox County, Ohio. ... Seal of the University of Texas System The University of Texas System comprises fifteen educational institutions in Texas, of which nine are general academic universities, and six are health institutions. ... The United States Public Health Service (PHS) was founded first by President John Adams as a loose network of hospitals to support the health of American seamen. ... 1916 (MCMXVI) was a leap year starting on Saturday (link will take you to calendar). ...

His first assignment involved fieldwork on bubonic plague in New Orleans. Five years later he joined the staff of the Hygienic Laboratory, became chief of the Division of Infectious Diseases in 1936, and director of National Institutes of Health from 1942 until his retirement in 1950. An expert in infectious diseases, he demonstrated how endemic typhus is spread and is noted for developing a vaccine to protect against the disease. Bubonic plague is the best-known variant of the deadly infectious disease plague, which is caused by the enterobacteria Yersinia pestis. ... New Orleans is the largest city in the state of Louisiana, United States of America. ... 1936 (MCMXXXVI) was a leap year starting on Wednesday (link will take you to calendar). ... The National Institutes of Health (NIH) is the primary agency of the United States government responsible for medical research. ... 1942 (MCMXLII) was a common year starting on Thursday (the link is to a full 1942 calendar). ... 1950 (MCML) was a common year starting on Sunday (link will take you to calendar). ... In medicine, infectious disease or communicable disease is disease caused by a biological agent (e. ... Endemic typhus is caused by certain species of Rickettsia - namely , transmitted by fleas infesting rats, and less often , transmitted by fleas carried by cats or opossums. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...

As director of NIH, Dr. Dyer organized the Division of Research Grants, assisted in planning the Clinical Center, and helped establish three new institutes: the National Heart Institute, the National Institute of Dental Research, and National Institute of Mental Health. He also served as a member of the scientific board of directors of the international health division of the Rockefeller Foundation and as director of research at Emory University until 1957. The National Institute of Mental Health (NIMH) is one of 27 components of the National Institutes of Health (NIH), the United States federal governments principal biomedical and behavioral research agency. ... The Rockefeller Foundation is a charitable organization based in New York City. ... Emory University is a private university in Atlanta, Georgia and is one of the premier universities in the United States. ...