Bob Tischler, Who Helped Revive ‘Saturday Night Live,’ Dies at 78

A producer of “The National Lampoon Radio Hour” and albums by the Blues Brothers, he became S.N.L.’s head writer after a dismal season early in its history.

​A producer of “The National Lampoon Radio Hour” and albums by the Blues Brothers, he became S.N.L.’s head writer after a dismal season early in its history.