Is Inquisitiveness a Scientific Asset? Perhaps 



tlVNew VS-k Bo^rd'of -K • tY^^""t^"k ^ b,^^*^"°l<>gi«t employed in the laboratories of 

 of th^^.I %• Health. In the photograph she is shown engaged in the study 



of the germs of pneumonia and colds which germs have been injectid into rabbfts 



Lower picture at left: Miss Clara Thayer, 

 B. S., at work "on water analysis in the 

 Lederle Laboratories, New York City, to 

 ascertain its purity and to determine' its 

 possible effect not only upon human 

 Health but on the interiors of steam boilers 



Louise E. MacRoberts, shown in the lower 

 picture at right, is considered an authority 

 on the mosquito, its sins and the best 

 means for its extermination. She is 

 engaged as an expert parasitologist in con- 

 nection with the University of California 



