 These programs are heard on over 170 public radio stations across the United States.Co-produced by National Public Radio affiliate KQED in San Francisco, the on-air broadcasts are introduced by Linda Hunt and hosted by various appropriate interviewers and luminaries.The Herbst Theatre's earthquake retrofit which began in 2013, served as the impetus to restore the 1,687-seat Nourse Theater located a few blocks away at 275 Hayes Street, San Francisco, California.