Explore discoveries, inventions and the people who expanded what was possible.
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1894–1971
Lloyd Augustus Hall (June 20, 1894 – January 2, 1971) was an American chemist, who contributed to the science of food preservation. By the end of his career, Hall had amassed 59 United States patents, and a number of his inventions were also patented in…
1916–2001
Lloyd Miller Cooke (1916 – 2001) was an American industrial chemist and researcher. He was an early African American chemist specialized in cellulose and carbohydrate chemistry, and worked in a leadership role for many years at Union Carbide Corporation…
1918–2011
Lloyd Noel Ferguson (February 9, 1918 – November 30, 2011) was an American chemist.
Loading image…1918–1982
Lloyd Albert Quarterman (May 31, 1918 – July 1982) was an American chemist working mainly with fluorine. During the Second World War, he was one of the first six African American scientists and technicians on the Manhattan Project.
Loading image…1872–1951
Lloyd Tevis Miller (December 6, 1872 – March 8, 1951) was an American physician who was the first medical director of the Afro-American Hospital in Yazoo City, Mississippi, the first private hospital for blacks in the state. He was also a co-founder of the…
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FROM THE SOURCE CATALOGImage of eight people, each holding objects. Text on front reads: "Medicos bruxos; Witch Doctors.".
1931–2014
Lois Louise Cooper (November 25, 1931 – January 26, 2014) was a transportation engineer and the second woman and first African American woman to pass the professional engineers license exam in California. During her career at Caltrans, Cooper worked on…
Loading image…Biography
Omolola (Lola) Eniola-Adefeso is a Nigerian-American chemical engineer and incoming Dean of the College of Engineering at the University of Illinois Chicago. She is currently the Vennema Endowed Professor of Chemical Engineering, the Associate Dean for…
Loading image…Biography
Temilola Elisabeth (Lola) Fatoyinbo is an ecologist who uses satellite-based remote sensing to study the biodiversity, biomass, and carbon sequestration of forests, particularly flooded forests such as mangroves in Africa. After working for many years for…
Biography
Lola Odelola is a software engineer and campaigner recognised for her work to promote diversity in technology. She is the founder of Blackgirl.tech, a non-profit organisation that promotes diversity within the tech industry by creating a safe space for…
1915–1999
Loney O. Clinton Gordon (1915–1999), also known as Loney Clinton, was an African American chemistry laboratory assistant whose bacteriological virulence research led to a pertussis vaccine in 1942, an effective protection against whooping cough developed…
Loading image…1971–
Loni Love (born July 14, 1971) is an American comedian, television host, actress, author, and former electrical engineer. While working as an electrical engineer in the early 2000s, she switched to music engineering, until later launching a career in…
1949–
A former NASA and U.S. Air Force engineer, Johnson developed the pressurized water gun that became one of the best-selling toys in the world.
1930–
Lonnie Robert Bristow (born 1930) is an American physician and former president of the American Medical Association (AMA). In his early career he established a private practice in San Pablo, California, as an internist with a special interest in…
1950–2024
Lonnie Randolph Jr. (June 3, 1950 – October 19, 2024) was an American physician and civil rights activist who led the National Association for the Advancement of Colored People (NAACP) in South Carolina, known as the South Carolina Conference of NAACP, for…
1926–1996
Lonnie Nathaniel Standifer (1926–1996) was an entomologist born in Itasca, Texas. An expert in honey bee physiology and nutrition, in 1970 he became the first African-American scientist to be appointed director of the USDA's Carl Hayden Bee Research Center.
1933–2019
Lorene Byron Brown (November 9, 1933 – November 6, 2019) was an African American librarian and Dean of the Atlanta University School of Library and Information Science from 1982 to 1989.
1934–2019
Loretta Marion Murray Braxton (January 19, 1934 – February 19, 2019) was an American mathematician who headed the mathematics department at Virginia State University for fifteen years.
Loading image…1949–
Loretta Devine (born August 21, 1949) is an American actress. She is known for numerous roles across stage and screen. Her most high profile roles include Lorrell Robinson in the original Broadway production of Dreamgirls (1981), Muriel Stubbs in the…
Biography
Loretta Sweet Jemmott is an American nursing professor and researcher, known for her contributions to HIV/AIDS prevention. She was elected to the National Academy of Medicine in 1999. She was a professor of nursing and the vice president for health and…
Biography
Lorna Laidlaw is an English actress. She has appeared on television as Mrs Tembe in the BBC medical soap opera Doctors from 2009 to 2019 and as Aggie Bailey in the ITV soap opera Coronation Street between 2019 and 2023. Laidlaw won the Royal Television…
Loading image…1780–1828
Lott Cary (also in records as Lott Carey and Lott Gary) (1780 – November 10, 1828) was an African-American Baptist minister and lay physician who was an early missionary in and founder of the colony of Liberia in West Africa in the 1820s. He founded…
Loading image…1876–1976
Lottie Cornella Isbell Blake, M.D., (10 June 1876 – 16 November 1976) was an American physician, medical missionary, and educator. Blake was the first black Seventh Day Adventist to become a physician. She is remembered for her revolutionary success in…
Dates not recorded
Louanner Peters is a former deputy governor of Illinois. She was appointed by then-Governor Rod Blagojevich in December 2006, becoming the first African-American woman to hold the position. Peters grew up on a farm in Angie, Louisiana, and was the ninth of…
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