He was a leading attorney on the defense team of  Congressman Sickles and briefly served as attorny general during the lame-duck period of Buchanan's presidency.  
He was a leading attorney on the defense team of  Congressman Sickles and briefly served as attorny general during the lame-duck period of Buchanan's presidency.  He died after only four days on the Surpreme Court and was the legal advisor to Simon Cameron whom he replaced therby entering his most famous office.  A proponent of Radical Reconstruction, it was his removal from office against the dictates of the Tenure of Office act which caused Andrew Johnson's impeachment.  FTP, name this man who served as Secretary of War during the Civil War.
He was a leading attorney on the defense team of  Congressman Sickles and briefly served as attorny general during the lame-duck period of Buchanan's presidency.  
Edwin M. Stanton