A STATISTICAL STUDY OF AMERICAN MEN 



OF SCIENCE 



BY 



J. McKEEN CATTELL 

 PROFESSOR OF PSYCHOLOGY, COLUMBIA UNIVERSITY 



{Reprinted from SCIENCE, N. S., Vol, XXIV- , No. 621, pages 658-665, November 28 



No. 622, pages 699-707, November 30; No. 62S, pages 732-742, December 7, 1906; 



and under the title U A Further Statistical Study of American Men of Science" 



Vol XXXII, No. 827, pages 633-648, November 4 ; No. 828, 



pages 672-688, 1910.] 



