"2004-08-04Z"^^ . . "1921Z"^^ . "Mary Sherman Morgan"@en . "American" . "Mary Sherman Morgan (November 4, 1921 \u2013 August 4, 2004) was a U.S. rocket fuel scientist credited with the invention of the liquid fuel Hydyne in 1957, which powered the Jupiter-C rocket that boosted the United States' first satellite, Explorer 1."@en . "2004Z"^^ . "Sherman Morgan, Mary"@en . . "1921-11-04Z"^^ . "Mary Sherman"@en . . . . .