NIH scientists devised a Decayed Missing Filled Index guide for studies and surveys of children’s dental status
In 1937, Henry Klein, Carroll E. Palmer, John W. Knutson devised a Decayed Missing Filled (DMF) Index guide…
In 1937, Henry Klein, Carroll E. Palmer, John W. Knutson devised a Decayed Missing Filled (DMF) Index guide…
In May 1935, Kenneth Lynch and William Atmar Smith from the Medical College of South Carolina published an…
In 1935, a University of Iowa laboratory was the first to record human electroencephalograph (EEG) activity, led by…
On Jul. 8, 1933, Christopher Andrewes, Laidlaw and W Smith from the Medical Research Council (MRC) reported that…
In 1933, the New World Screwworm (NWS) was first documented as a significant problem in the Southeast following…
In 1932, the Tumor Institute of the Swedish Hospital opened its doors. Children’s Orthopedic Hospital Association, later known…
In 1931, the electron microscope was invented by Max Knoll and Ernst Ruska at the Berlin Technische Hochschule….
In 1930, Sara E. Branham identified a new organism, Neisseria flavescens, as a rare cause of meningitis and…
In 1930, the name of the Food, Drug, and Insecticide Administration was shortened to Food and Drug Administration…
In 1930, the Mallinckrodt Institute of Radiology (MIR) at Washington University School of Medicine (WUSM) was established, funded…
In 1929, Hoffman-La Roche outgrew its New York offices, prompting the development of a new plant in Nutley,…
In 1928, George Papanicolaou discovered that vaginal cell smears (the Pap smear) revealed the presence of cervical cancer….
In 1928, The University of Oregon Medical School takes over operation of Doernbecher Hospital. Frank Doernbecher was a…
In 1926, Doernbecher Memorial Hospital for Children was built on the Marquam Hill campus and becomes the first…
In 1924, Leo Rigler was appointed associate professor of radiology at the University of Minnesota. Rigler obtained full…
On Oct. 14, 1923, plans were announced for Doernbecher Memorial Hospital for Children. Frank S. Doernbecher was a…
In 1921, Frederick Banting and Charles Best who extracted the hormone insulin from the pancreas’ of dogs in…
In 1919, Edward Francis extended the earlier observations on tularemia. His other studies, continued into the 1920s, clarified…
On Oct. 3, 1918, the Spanish Flu reached Portland, Oregon when Private James McNeese, a young soldier on…
On Sept. 27, 1918, local Nashville newspapers reported that there were at least a handful of cases within…
On Sept. 16, 1918, the influenza epidemic arrived in New Orleans, Louisiana when an oil tanker with an…
In 1918, Alice C. Evans described the organism that caused undulant fever. Despite severe and persistent criticism of…
In 1917, Mather H. Neill discovered that scrotal reactions of guinea pigs with “Mexican” typhus (later known as…
In 1917, when the U.S. entered World War I, Emory University organized a medical unit that would be…
In 1917, the state wide Children’s Development and Rehabilitation Center Service Program was established in the University of…
In 1917, David Marine, a U.S. physician in Ohio, and his colleagues initiated an iodine prophylaxis program in…
On Jun. 17, 1916, an official announcement of the existence of an epidemic polio infection was made in…
In 1914, at Harvard Medical School, Paul Dudley White introduced the electrocardiograph to the U.S. The original electrocardiograph…
In 1913, the first known article on cancer’s warning signs was published in the popular women’s magazine (Ladies’…
On Nov. 30, 1912, John F. Anderson and Wade H. Frost published “Transmission of Poliomyelitis by Means of…