After Lincoln 's assassination in April 1865 , Healy conceived of The Peacemakers , which he completed in 1868 .
Lincoln sat for Healy in August 1864 , and Healy began working on his sketches to create a portrait of Lincoln .
After Lincoln 's assassination in April 1865 , Healy conceived of The Peacemakers , which Healy completed in 1868 .
Lincoln sat for Healy in August 1864 , and Healy began working on his sketches to create a portrait of Lincoln .