54 UNIVERSITY OF WISCONSIN STUDIES 
When Dr. Russell entered upon his duties as bacteriologist 
to the Wisconsin Agricultural Experiment Station in 1893 
practically all of these problems were unsolved. During the 
succeeding quarter of a century, the rapid growth of the 
cities has demanded a growing milk supply and the problems 
have arisen in rapid suecession. This Pioneer Bacteriologist 
in person and through his students has taken an honorable 
part in the solution of these problems. 
