found: Hamer, H. A. Effects of errors on ... 1978 (a.e.)title page (Katherine G. Johnson; Langley Research Center, Hampton, Va.)
found: NASA mathematician Katherine Johnson, 2018:ECIP title page (Katherine Johnson) chapter 1 (Katherine G. Johnson; born in West Virginia, in 1918) chapter 3 (a teacher; gave up teaching to join NACA (National Advisory Committee for Aeronautics) in 1953)
found: Katherine Johnson at NASA Langley Research Center. NASA history [series bulletin], Aug. 26, 2016, viewed Oct. 27, 2016(NASA research mathematician Katherine Johnson; b. Aug. 25, 1918, in White Sulphur Springs, West Virginia)
found: A computer called Katherine, how Katherine Johnson helped put America on the moon, 2018:ECIP, end of galley, at Timeline (Katherine Coleman is born in White Sulphur Springs, West Virginia, August 26, 1918; marries James Francis Goble, 1939; he dies, 1956; marries Lieutenant Colonel James Johnson, 1959; receives Presidential Medal of Freedom, November 24, 2015)
found: Wikipedia, June 14, 2019:Katherine Johnson (Katherine Coleman Goble Johnson (b. Aug. 26, 1918) is an African-American mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. manned spaceflights) - https://en.wikipedia.org/wiki/Katherine_Johnson
found: Washington post WWW site, viewed Feb 24, 2020(in obituary dated Feb. 24, 2020: Katherine Johnson began working at the National Advisory Committee for Aeronautics in 1953; died Feb. 24 at 101; worked as a schoolteacher before becoming a computer at the NACA's flight research division, based at Langley Research Center in Hampton, Va.; Katherine Coleman was born in White Sulphur Springs, W.Va., on Aug. 26, 1918; retired from Langley in 1986)