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Eloise Blaine Cram (1896 – February 9, 1957) was an American
zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...
and parasitologist From 1920 through 1936 Eloise Blaine Cram was a zoologist for the USDA's Bureau of Animal Industry (BAI), where she gained prominence as a world authority on the parasites of poultry. She eventually became the BAI's head scientist for the investigation of parasites in poultry and game birds. In 1936, Cram took a position at the Zoology Lab of the National Institute of Health.


Biography

Cram was born in
Davenport, Iowa Davenport is a city in and the county seat of Scott County, Iowa, United States. Located along the Mississippi River on the eastern border of the state, it is the largest of the Quad Cities, a metropolitan area with a population of 384,324 and a ...
, in 1896, daughter of prominent newspaperman Ralph Warren Cram and Mabel (LaVenture) Cram. She graduated
Phi Beta Kappa The Phi Beta Kappa Society () is the oldest academic honor society in the United States, and the most prestigious, due in part to its long history and academic selectivity. Phi Beta Kappa aims to promote and advocate excellence in the liberal a ...
from the
University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...
in 1919, and received her PhD from
George Washington University , mottoeng = "God is Our Trust" , established = , type = Private federally chartered research university , academic_affiliations = , endowment = $2.8 billion (2022) , preside ...
in 1925. In 1920, Cram entered government service as a zoologist for the
USDA The United States Department of Agriculture (USDA) is the federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, and food. It aims to meet the needs of com ...
Bureau of Animal Industry President Chester A. Arthur signed the Animal Industry Act23 STAT 31 on May 29, 1884 creating the Bureau of Animal Industry (BAI), an organization that was established under the United States Department of Agriculture. It replaced the Veterinary Di ...
(BAI), where she became noted as a world authority on the parasites of poultry, and eventually rose to the position of Head Scientist for the investigation of Parasites of Poultry and Game Birds. In 1936, Cram left the BAI to take a position at the Zoology Lab of the
National Institutes of Health The National Institutes of Health, commonly referred to as NIH (with each letter pronounced individually), is the primary agency of the United States government responsible for biomedical and public health research. It was founded in the late ...
in
Bethesda, Maryland Bethesda () is an unincorporated, census-designated place in southern Montgomery County, Maryland. It is located just northwest of Washington, D.C. It takes its name from a local church, the Bethesda Meeting House (1820, rebuilt 1849), which in ...
, where she remained until her retirement in 1956. While at the NIH, Cram contributed to the scientific study of
pinworm Pinworm infection (threadworm infection in the UK), also known as enterobiasis, is a human parasitic disease caused by the pinworm. The most common symptom is itching in the anal area. The period of time from swallowing eggs to the appearance o ...
and other parasites in humans, but her major contribution to
parasitology Parasitology is the study of parasites, their hosts, and the relationship between them. As a biological discipline, the scope of parasitology is not determined by the organism or environment in question but by their way of life. This means it fo ...
and to science in general was her pioneering research into curbing the disease
schistosomiasis Schistosomiasis, also known as snail fever, bilharzia, and Katayama fever, is a disease caused by parasitic flatworms called schistosomes. The urinary tract or the intestines may be infected. Symptoms include abdominal pain, diarrhea, bloody s ...
(liver flukes), endemic to tropical regions. She made breakthrough discoveries regarding the life- and vector cycles of snails key to transmission of the often-fatal disease to humans, thus aiding in reducing the international health costs of the disease. By the time of her retirement, Cram had produced over 160 papers and monographs on various subjects relating to animal parasitology, had become an international authority on
helminth Parasitic worms, also known as helminths, are large macroparasites; adults can generally be seen with the naked eye. Many are intestinal worms that are soil-transmitted and infect the gastrointestinal tract. Other parasitic worms such as schi ...
ic diseases, and was working in the NIH's lab on tropical diseases. In 1955, the year before her retirement, she served a term as the first female president of the
American Society of Parasitologists Founded in 1924, the ''American Society of Parasitologists'' comprises a diverse group of about 700 scientists from academia, industry, and government involved in the study and teaching of the scientific discipline of parasitology.American Society ...
. Cram was remembered for her "high degree of industry coupled with a patient endurance of disappointments, an ability to overcome difficulties she encountered in research, and a vigorous persistence of effort in order to arrive at solutions of perplexing problems," for devoting her life "unstintingly" to the study of human and animal parasites, and for her cheerful, humorous brilliance and sharp focus which persisted even as she neared the end of her life in the face of a debilitating disease.


Research

The National Agricultural Library Special Collection maintains a collection of Eloise Cram's papers. The Eloise Cram Papers comprise correspondence, photographs, scientific articles and various ephemera relating to the professional lives and work of several scientists employed by the USDA's Bureau of Animal Industry (BAI) and to the National Institutes of Health (NIH). The collection spans from 1853 to 1991, though the bulk of the material focuses on the period of these individuals' employment at these two agencies from 1884 through the 1950s.


References

{{DEFAULTSORT:Cram, Eloise Blaine 1896 births 1959 deaths People from Davenport, Iowa Scientists from Washington, D.C. University of Chicago alumni George Washington University alumni 20th-century American zoologists Deaths from bone cancer in California National Institutes of Health people 20th-century American women scientists Bureau of Animal Industry Presidents of the American Society of Parasitologists