9. Theodore Roosevelt – IQ score: 142.28
Theodore Roosevelt, America’s 26th president (1901–1909), made history as the youngest man to hold the office at age 42, following President McKinley’s assassination. A dynamic and intellectual leader, Roosevelt proved more than capable of steering the nation.
During his presidency, he championed progressive reforms, ensuring safer food and medicine for Americans, and established numerous national parks to preserve the country’s natural beauty. He expanded the Navy, initiated the construction of the Panama Canal, and brokered peace in the Russo-Japanese War, earning him the Nobel Peace Prize in 1906. Roosevelt’s bold leadership and visionary policies left an indelible mark on both the nation and the world.
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