Tribute stamps with 2 of America?s most legendary Presidents. George Washington is considered by many as the father of the United States. As commander of the Revolutionary Army, Washington was elected as President after the Constitution was ratified. Abraham Lincoln is remembered as a man of humble origins, who played a vital role in the ending of slavery in the States. His perseverance and determination led him to the nation?s highest office. As the leader, he was able to preserve the Union during the Civil War.