Complex sentence: Madison, and in 1948 he became the founder and first chairman of the University of Wisconsin-Madison's Department of Meteorology and Center for Climatic Research and was the first director of the Institute for Environmental Studies (now the Nelson Institute) in 1970.
Split into simpler sentences: Madison, and in 1948 he became the founder and first chairman of the University of Wisconsin-Madison's Department of Meteorology and Center for Climatic Research. He was the first director of the Institute for Environmental Studies (now the Nelson Institute) in 1970.