M. Her­bert Danzger is Pro­fes­sor Emer­i­tus in the Soci­ol­o­gy Pro­gram at the Grad­u­ate Cen­ter and at Lehman Col­lege of the City Uni­ver­si­ty of New York. He is the author of RETURN­ING TO TRA­DI­TION (Yale U. Press 1989) and of numer­ous arti­cles on Jew­ish return, on com­mu­ni­ty con­flict and pow­er struc­ture and on methodology.