00325nam a22001097a 4500020001800000082002400018245003700042260005000079300003300129500002000162650003300182  a0-516-05310-8  aRef. 925 S578 1975 10aSignificant American scientists.  aChicago, Illinois :bChildrens Press,cc1975.  a78 p. :bcol., ill. ; 26 cm.  aIncludes index.14aScientistszU.S.vBiography.