Erving Goffman (11 June 1922 – 19 November 1982) was a Canadian-born American sociologist, social psychologist, and writer, considered by some "the most influential American sociologist of the twentieth century". wikipedia 
Erving GoffmanErving Goffman (11 June 1922 – 19 November 1982) was a Canadian-born American sociologist, social psychologist, and writer, considered by some "the most influential American sociologist of the twentieth century". wikipedia