00341nam a2200109Ia 4500008004100000041000800041084001600049100001700065245008500082260003600167653002800203160808s1954    xx            000 0 eng d  aeng  aAwl,M472CC  aLarson, Egon  aMen Who Changed the World:bstories of invention and discovery /cby Egon Larson  aLondon :bPhoenix House,c1954.  aBiography Of Scientists