Conferences with open attendance are very important for the stimulation of young people or other people who are new in the field. ... The field of high-energy physics is, as you know, very strongly in the hands of a clique and it is hard for an outsider to enter.
"Drawing theories apart: the dispersion of Feynman diagrams in postwar physics" by David Kaiser, University of Chicago Press, (p. 336), 2005.
