Harriet Tubman (born Araminta Ross)  (1822 – March 10, 1913)

Treasury Secretary Jack Lew (below) announced plans today for Harriet Tubman
to replace U.S. President Andrew Jackson as the portrait on the front side of the
twenty-dollar bill. The exact design will be announced in 2020.

Tubman, was a Christian African-American, born into slavery who became a humanitarian, abolitionist and one of the leaders’ of the Underground Railroad
during the American Civil War as a Union spy. she became an icon of American 
courage and freedom.

Jacob Joseph "Jack" Lew.

A current $20 bill with the seventh U.S. President (1829–37), Andrew
Jackson who has been featured on the bill since 1928.