Fidel Castro was a revolutionary Cuban leader who reigned over Cuba as a charismatic, yet contentious, figure from 1959-2008.
Florence Nightingale was a pioneer in modern nursing, recognized for her heroic service during the Crimean War.
Lou Hoover was the 31st First Lady of the United States, known for her activism and contributions to education and women's rights.
Emil von Behring was a German physician and Nobel laureate who developed the first antitoxin for diphtheria, revolutionizing modern medicine.