1681

William Penn

Founder of Pennsylvania; promoted religious tolerance and fair dealings that influenced early American civic ideals.

1776

Thomas Jefferson

Principal drafter of the Declaration of Independence—helped define America's founding language of liberty and rights.

1776–1783

George Washington

Commander-in-Chief of the Continental Army during the Revolutionary War; became the unifying symbol of independence and national leadership.

1776–1783

Benjamin Franklin

Diplomat and statesman whose international credibility and alliances helped secure the Revolution and shape America's early global standing.

1787–1788

James Madison

Key architect of the U.S. Constitution and a leading voice for the new federal system—often called the “Father of the Constitution.”

1790–1791

Alexander Hamilton

Built the foundational U.S. financial system (public credit, national banking framework), helping stabilize and power the early republic.

1804–1806

Sacagawea

Indigenous guide and interpreter for the Lewis & Clark expedition; essential to navigation, diplomacy, and survival on the western journey.

1845

Frederick Douglass

A leading abolitionist writer and orator; his autobiography and speeches reshaped public conscience about slavery and freedom.

1850–1860

Harriet Tubman

The Underground Railroad's best-known “conductor,” repeatedly risking her life to guide enslaved people to freedom.

1851

Sojourner Truth

Abolitionist and women's rights advocate; her landmark public speaking forced America to confront race and gender injustice.

1861–1865

Abraham Lincoln

Led the nation through the Civil War and drove the political path toward ending slavery—central to preserving the Union.

1872–1873

Susan B. Anthony

A pivotal suffrage leader; her decision to vote and face prosecution became a major catalyst for women's voting rights.

1876 / 1884

Mark Twain

Defined an unmistakably American literary voice through satire and realism, shaping national culture and self-image.

1881

Clara Barton

Founded the American Red Cross, institutionalizing humanitarian relief and civic service in American life.

1889

Jane Addams

Pioneer of modern social work; Hull House became a model for community support, education, and reform.

1890s

John Muir

Leading conservationist who helped inspire the national parks movement and a lasting American ethic of protecting wilderness.

1912

Juliette Gordon Low

Founded Girl Scouts of the USA; built a national system for youth skills, leadership, and civic confidence.

1935

Frances Perkins

Architect of key New Deal labor and Social Security-era reforms; expanded protections for workers and vulnerable families.

1939

Marian Anderson

Civil rights icon whose Lincoln Memorial performance became a national symbol against segregation and discrimination.

1948

Eleanor Roosevelt

A driving force in modern human rights diplomacy (UN era); helped frame America's postwar moral leadership.

1947

Jackie Robinson

Broke MLB's color barrier—an enormous cultural shift that accelerated integration and civil rights momentum.

1954

Thurgood Marshall

Led the legal victory in Brown v. Board of Education (1954), dismantling school segregation in U.S. law.

1955

Rosa Parks

Her refusal to give up her seat ignited the Montgomery Bus Boycott and energized the modern civil rights movement.

1963

Martin Luther King Jr.

The most recognized leader of nonviolent civil rights activism; moved national opinion and helped drive landmark civil rights reforms.

1965

John Lewis

Frontline leader for voting rights—his activism and “good trouble” philosophy became a long-term moral compass in U.S. civic life.

1968

Shirley Chisholm

First Black woman elected to Congress; opened doors for political representation and expanded who “belongs” in leadership.

1962–1969

Katherine Johnson

NASA mathematician whose calculations were crucial to U.S. human spaceflight—proof that excellence can overcome systemic barriers.

1969

Neil Armstrong

Apollo 11 commander; the first human to step on the Moon—symbol of American ambition, engineering, and national achievement.

1950s–1960s

Grace Hopper

Computer science pioneer who helped shape modern programming—bridging military/industrial systems into the digital future.

1993

Ruth Bader Ginsburg

Supreme Court Justice who advanced gender equality and legal protections through strategic, lasting jurisprudence.