BIOGRAPHICAL. 



Jacob Rosenbloom was born at Braddock, Perm., Feb. 

 25, 1884. He received an elementary and high school 

 education at North Braddock, Penn., and graduated from 

 the Western University of Pennsylvania in 1905, with the 

 degree of B.S. The title of his graduation thesis was " Color- 

 imetric Determination of Tungsten." He has served as chemist 

 at the East Pittsburg Gas Works, East Pittsburg, Pa. (sum- 

 mer, 1903); chemist at the Edgar Thompson Steel Works, 

 Bessemer, Pa. (summer, 1904) ; chemist at the Duquesne 

 Steel Works, Duquesne, Pa. (summer, 1905). 



During the academic years 1905-9 he has been in attendance 

 at Columbia University as a candidate for the degree of Doctor 

 of Medicine and of Doctor of Philosophy. During the summer 

 of 1907 he did pathological work at the West Penn. Hospital, 

 Pittsburg, Pa., and, in the summer of 1908, he equipped a 

 chemical laboratory for metabolic urinary work at the West 

 Penn. Hospital, Pittsburg, Pa. 



He has been appointed assistant in biological chemistry in 

 Columbia University for the year 1909-' 10. 



