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Welcome to the Encyclopedia of Arkansas


This Day in Arkansas History
July 3, 1919
Samuel Massie was born to school teachers Samuel and Earlee Massie of North Little Rock (Pulaski County). He quickly advanced to high school and graduated second in his class from Dunbar High School in Little Rock (Pulaski County) by age thirteen. Massie overcame racial barriers to become one of America’s greatest chemists in research and teaching. As a doctoral candidate during World War II, he worked on the Manhattan Project with Henry Gilman at Iowa State University in the development of uranium isotopes for the atomic bomb. In 1966, the U.S. Naval Academy appointed him as its first black faculty member. Massie’s research over fifty years led to the development of drugs to treat mental illness, malaria, meningitis, gonorrhea, herpes, and cancer.
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About the Encyclopedia
The CALS Encyclopedia of Arkansas is a free, authoritative source of information about the rich history, geography, and culture of Arkansas. It is updated regularly to ensure the people of Arkansas have an accurate and accessible resource to explore our heritage. We invite you to browse our text entries and media galleries to learn more about the people, places, events, legends, and lore of the 25th state. We are continually adding new entries, photographs, maps, videos, and audio files, so check back frequently to see what’s new.


Our overview page covers everything you would want to know about our beautiful state, including state symbols, demographics and more!
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