LODI – Robert Kenneth Ham, age 74, of Lodi passed away quietly, surrounded by family, on Friday, Feb. 24, 2012, at 5:30 p.m. at University of Wisconsin Hospital due to complications from cancer. In 1967, he became a professor in environmental engineering at the University of Wisconsin-Madison. At the university, Bob helped pioneer several sanitary landfill practices which are still used today, such as the extracting and burning of landfill gas as a beneficial re-use. One of his projects even lead to kitchen garbage disposals becoming legal in New York City, Korea and Norway. He retired in 1998.