Nation Robert Graetz, the white minister who helped organize 1950s Montgomery Bus Boycott, dies at 92 September 21, 2020 Brian Lyman, Montgomery Advertiser Comments Off on Robert Graetz, the white minister who helped organize 1950s Montgomery Bus Boycott, dies at 92 Robert Graetz was the only white minister who supported the 1955-56 Montgomery Bus Boycott, making him a target of segregationists.