104 THE PORTRAIT GALLERY 



A GUARDIAN OF ANIMAL HEALTH 



35. The present Chief of the Bureau of Animal Industry is 

 Dr. John Robbins Mohler. Dr. Mohler was born in Phila- 

 delphia, May 9, 1875, graduating from the Central High school 

 in 1892. The following year he attended Temple University 

 and in 1896 received his V. M. D. from the University of Penn- 

 sylvania. For one year following his graduation he was in 

 veterinary practice, but from 1897 to 1899 he fotmd a larger 

 service in the medical department of the Marquette University 

 and as an assistant inspector of the Bureau of Animal Industry. 

 His progress in the Bureau was rapid, and in 1899 he was made 

 assistant pathologist; in 1901 zoologist; and in 1902, chief of 

 the Pathological Division. After twelve years in this depart- 

 ment, he was made assistant chief of the Bureau, and on the 

 death of Dr. Melvin, he succeeded him as chief. Dr. Mohler 

 has held numerous positions of national and international 

 importance. In 1908 he was secretary of the Veterinary section 

 of the International Tuberculosis Congress; in 1909 and 1910 

 he was vice president of the United States Livestock Sanitary 

 Association, and in 1912 and 1913 president of the Veterinary 

 Medical Association. The following year he was vice president 

 of the International Veterinary Congress, and from 1914 to 1917 

 was president of the Veterinary Examining Board in the District 

 of Columbia. 



Dr. Mohler has been an active contributor to the programs 

 of the Society of American Bacteriologists and the Society of 

 Experimental Biology and Medicine. He is a voluminous pub- 

 lisher in the fields of pathology, bacteriology and meat inspec- 

 tion, and has contributed largely to Government publications, 

 medical journals, and encyclopedias. Dr. Mohler has been an 

 active translator, bringing out Ostertag's Hand Book of Meat 

 Inspection in 1904, Edelmann's Meat Hygiene in 1908, Hutyra 



