Cochran1930–1990नाम और उपनामE. Cochran, E. Welch, Bibby CochranसमयरेखाBirth1930Death1990रिश्तेबच्चेWelch (1940–2020)Welch (1950–2010)भाई-बहनLauristine Cochran (1939–2013)माता-पिताCochran (1900–1950)Cushman (1900–1970)स्रोतwikitree Cochran-1548