Michael Mann is a well-known American climatologist and author of more than 80 peer-reviewed journal publications. He has attained public prominence as lead author of a number of articles on paleoclimate which feature a graph of temperature trends dubbed the "hockey stick graph" for the shape of the trend line. In August 2005 he was appointed Associate Professor at Pennsylvania State University, in the Department of Meteorology and Earth and Environmental Systems Institute, … Wikipedia
The definitive Wikipedia entry for Michael Mann. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Michael_Mann_%28scientist%29