Kenneth Todar has taught microbiology to undergraduate students at The University of Texas, University of Alaska and
University of Wisconsin since 1969. He received a PhD in Microbiology in 1972 from The University of Texas-Austin.
His main teaching interests are in general microbiology, bacterial diversity, microbial ecology and pathogenic bacteriology.
Currently, he is an emeritus lecturer at the University of Wisconsin-Madison. He resides in Madison, Wisconsin and Silvergate, Montana.
Todar's Online Textbook of Bacteriology is dedicated to Hans Zinsser.