Amelia Platts Boynton Robinson ( August 18 , 1911 -- August 26 , 2015 ) was an American activist who was a leader of the American Civil Rights Movement in Selma , Alabama and a key figure in the 1965 Selma to Montgomery marches .
Amelia Platts Boynton Robinson ( August 18 , 1911 -- August 26 , 2015 ) was an American activist . She was a leader of the American Civil Rights Movement in Selma , Alabama and a key figure in the 1965 march that became known as Bloody Sunday .