Piotr Sztompka
Piotr Sztompka (born 2 March 1944, in Warsaw, Poland) is a Polish sociologist known for his work on the theory of social trust. He is professor of sociology at the Jagiellonian University in Kraków, Poland, and has also frequently served as visiting professor at the University of California, Los Angeles, and at Columbia University in New York City.From 2002 to 2006 he was the 15th president of the International Sociological Association. Provided by Wikipedia