00324nam a22001097a 4500008004100000020001800041040005500059245002500114260004600139942001200185999001700197240701b        |||||||| |||| 00| 0 eng d  a0-309-02449-8  aNational Science LibrarycNational Science Library  aBiographical memoirs  aWashington: bNational Academy of Science  cBK2udc  c63720d63720