Former U.S. Attorney General Nicholas Katzenbach dies at 90 . He was a key adviser to Presidents Kennedy , Johnson . Katzenbach confronted Alabama Gov . George Wallace over the Montgomery bus boycott in 1965 and helped lead an investigation into the bombing of the 16th Street Baptist Church in Birmingham, Alabama, which killed four black girls on June 17, 1963. Holder had a personal connection to Katzenbach , remembered for facing down Alabama Gov . He drafted and engineered passage of the Civil Rights Act of 1964 .
Former U.S. Attorney General Nicholas Katzenbach dies at 90 . He was a key adviser to Presidents Kennedy , Johnson . Katzenbach confronted Alabama Gov . George Wallace over the Montgomery bus boycott in 1965 and helped lead an investigation into the bombing of the 16th Street Baptist Church in Birmingham, Alabama, which killed four black girls on June 17, 1963. He drafted and engineered passage of the Civil Rights Act of 1964 .