Civil Rights Attorney and Law Professor Jack Greenberg.

Greenberg, who died Wednesday, was the last surviving attorney to argue the cases that led to the Brown v. Board of Education school desegregation decision. Originally broadcast in 1994 and 2004.

In 1949, when he was 24, Greenberg joined the Inc. Fund, which would later be called the NAACP Legal Defense and Educational Fund. He worked on some of the most important civil rights cases, including representing Martin Luther King, Jr. He also led the Fund's campaigns to help integrate the University of Alabama and the University of Mississippi. With others, he tried the Delaware and Topeka cases of Brown v. Board of Education. His memoir and history of the NAACP Legal Defense and Educational Fund is called Crusaders in the Courts: Legal Battles of the Civil Rights Movement.

In her new book, By Hands Now Known, Margaret Burnham reports on little-known cases of racial violence in the Jim Crow era, including crimes that went unreported and murderers who were never punished.