Walter S. McAfee is the African American mathematician and physicist who first calculated the speed of the moon. McAfee participated in Project Diana in the 1940s - a U.S. Army program, created to determine whether a high frequency radio signal could penetrate the earth’s outer atmosphere. To test this, scientists wanted to bounce a radar signal off the moon and back to earth. But the moon was a swiftly moving target, impossible to hit without knowing its exact speed.
Mary Church Terrell (September 23, 1863 – July 24, 1954), daughter of former slaves, was one of the first African-American women to earn a college degree. She became an activist who led several important associations and worked for civil rights and suffrage.
Jesse Eugene Russell: father of the cell phone Jesse Eugene Russell is an African-American inventor who brought the world cell phones. Trained as an electrical engineer at Tennessee State University, at 63, Russell is recognized globally as a thought-leader, technology expert and innovator of wireless communications. He has more than 30 years experience in advanced wireless communications and is the recognized father of digital cellular technology.
Two Races of Negroes? "That there are two distinct races of negroes in the south, that one race is peaceful and docile and law-abiding, and that 98 per cent of all the negro criminals come from the other race..." ~ Columbus Ledger, July 30, 1910