Howard H. Aiken was a 20th century mathematician and engineer who came up with the idea behind the Mark I, a forerunner to modern computing devices.
Lucretia Garfield was the wife of President James Garfield and, thusly, first lady of the United States for nine months.
Peter Graves was an enormously successful film and TV actor. He is known for his role in Airplane! and for hosting A&E's signature series Biography.
Fannie Lou Hamer was a civil rights activists who helped African Americans register to vote and who cofounded the Mississippi Freedom Democratic Party.
Film actress Susan Hayward earned an Academy Award nomination as Best Actress for her role in Smash-Up, and later won for her performance in I Want to Live.
German philosopher and revolutionary socialist Karl Marx published The Communist Manifesto and Das Kapital, anticapitalist works that form the basis of Marxism.