Explore discoveries, inventions and the people who expanded what was possible.
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Biography
Rotonya McCants Carr is an American hepatologist and physician-scientist who studies the function of lipid metabolites and lipid droplet proteins in relation to hepatic insulin signaling. She is the Cyrus E. Rubin Chair and division head of…
1929–2024
Roy Lee Clay Sr. (August 22, 1929 – September 22, 2024) was an African American computer scientist and inventor. He was a founding member of the computer division at Hewlett-Packard, where he led the team that created the HP 2116A 16-bit minicomputer.
Loading image…1940–
Ruby Louise Puryear Hearn (born April 13, 1940) is an American biophysicist who has dedicated her career to health policy. Her work spans initiatives in maternal, infant, and child health; AIDS; substance abuse; and minority medical education.
1926–2017
Rubye Mayette Prigmore Torrey (February 18, 1926 – October 26, 2017) was a notable African American female chemist and educator. She earned her bachelor's and master's degree at Tennessee State University and her PhD from Syracuse University. Her main…
Loading image…Biography
Rucyl is a new media and sound artist, singer, musician, and producer. Her interests involve experimentation and process as performance, time-based analog effects systems, and using sound to represent concepts that are non-tactile (time, natural forces,…
1897–1934
Rudolph John Chauncey Fisher (May 9, 1897 – December 26, 1934) was an American physician, radiologist, novelist, short story writer, dramatist, musician, and orator. His father was John Wesley Fisher, a clergyman, his mother was Glendora Williamson Fisher,…
Loading image…1968–2017
Rudy Lee Horne (1968 – 2017) was an American mathematician and professor of mathematics at Morehouse College. He worked on dynamical systems, including nonlinear waves. He was the mathematics consultant for the film Hidden Figures.
1890–1930
Rufus Herve Bacote, M.D. (July 1, 1890 – October 13, 1930) was a physician in Kentucky and Tennessee who served as a first lieutenant and an army doctor in 370th Infantry Regiment of 93rd Division during World War I.
Loading image…1907–1982
Rufus Paul Turner (December 25, 1907 – March 25, 1982) was an academic, engineer, and author who published on semiconductor devices, technical writing style, and poet-novelist Charlotte Smith. After three decades working with electronic devices – including…
April 1, 1980; printed 1983
FROM THE SOURCE CATALOGThis is a photocopied four-page, stapled document called "Rules and Regulations / of the / Board of Health / Commonwealth of Virginia / Governing the Practice of / Midwifery", dated April 1, 1980. The document was sent to midwife Amanda Carey Carter by the…
Biography
Ruth E. Blake is an American geochemist and environmental scientist. She is a professor at Yale University in earth & planetary sciences, environmental studies, and chemical & environmental engineering. Blake's work focuses on marine biogeochemical…
1931–2023
Ruth Carol Taylor (December 27, 1931 – May 12, 2023) was the first African-American flight attendant in the United States. Her first flight was aboard a Mohawk Airlines flight from Ithaca to New York City in 1958.
Loading image…1903–1994
Ruth Ella Moore (May 19, 1903 – July 19, 1994) was an American bacteriologist and microbiologist, who, in 1933, became the first African-American woman to be awarded a Ph.D. in a natural science. She was a professor of bacteriology at Howard University. A…
Loading image…1933–2025
Ruth Esther Graves King (January 28, 1933 – January 12, 2025) was an American educational psychologist who was the first female president of the Association of Black Psychologists. Her interest in sports led her to teach physical education. While coaching,…
1886–1975
Ruth Price Hartley Mosley (September 23, 1886 – August 14, 1975) was an American nurse, businesswoman, and civil rights activist. In 1910, she became the first black woman to be the head of a nursing department. Mosley was also one of the first women to be…
1942–
Ruth Hassell-Thompson (née Hassell; born November 6, 1942) of Mount Vernon, New York, is a former State Senator who represented the 36th district of New York, which includes the Bronx neighborhoods of Norwood, Bedford Park, Williamsbridge, Co-op City,…
Loading image…1892–1984
Ruth Janetta Temple (1892–1984) was an American physician who was a leader in providing free and affordable healthcare and education to underserved communities in Los Angeles, California. She and her husband, Otis Banks, established the Temple Health…
1898–1943
Ruth Marguerite Easterling (born February 17, 1898, Georgetown, South Carolina – died June 16, 1943, Cambridge, Massachusetts) was an American physician and pathologist.
1917–1995
Ruth Smith Lloyd (January 17, 1917 – February 5, 1995) was a 20th-century scientist whose research focused on fertility, the relationship of sex hormones to growth, and the female sex cycle. She earned a PhD in the field of anatomy from Western Reserve…
Loading image…1900–1997
Ruth Winifred Howard (March 25, 1900 – February 12, 1997) was an American psychologist. She is best known for her psychological work concerning students with special needs at Children's Provident Hospital School. She is the second African American women to…
1924–1998
Rutherford Hamlet "Lubby" Adkins (November 21, 1924 – February 6, 1998) was an American military aviator and university administrator who served with the Tuskegee Airmen during World War II. He flew fourteen combat missions with the Tuskegee Airmen. He…
Biography
Ruthmae Sears is a Bahamian-American mathematics educator, focusing on systemic inequities that impede student understanding of mathematics. She is an associate professor for secondary mathematics education in the University of South Florida College of…
Loading image…1981–
Ryad Assani-Razaki (born November 4, 1981) is a Beninese-Canadian writer. His debut short story collection Deux cercles won the Trillium Book Award for French-language fiction in 2010, and his novel La main d'Iman won the Prix Robert-Cliche in 2011 and was…
Loading image…1988–
Ryan Williams is an American technology entrepreneur who founded the companies Cadre and Ellis. He was chief executive officer of Cadre, a digital real estate investment platform, through its acquisition by Yieldstreet in 2024. Williams is the founder and…
Biographies, museum objects and archive records are distinct card types. Every card links to its historical source.
