. "American mechanical engineer" . "1892-04-18Z"^^ . "1962Z"^^ . "Eug\u00E8ne Jules Houdry (Domont, April 18, 1892 - Upper Darby, Pennsylvania, July 18, 1962) was a French, later naturalised American, mechanical engineer (graduated from \u00C9cole Nationale Sup\u00E9rieure des Arts et M\u00E9tiers in 1911) who invented catalytic cracking of petroleum feed stocks."@en . "1962-07-18Z"^^ . "Houdry, Eugene"@en . "1892Z"^^ .