He also served as the Chief United States Prosecutor at the [[Nuremberg Trials]] at the end of [[World War II]], in Germany. President [[Harry S. Truman]] appointed Jackson in 1945, who took a leave of absence from the Court, returning in 1946. | He also served as the Chief United States Prosecutor at the [[Nuremberg Trials]] at the end of [[World War II]], in Germany. President [[Harry S. Truman]] appointed Jackson in 1945, who took a leave of absence from the Court, returning in 1946. |