Albert Einstein

1 min

Barbara McClintock

1 min

Barbara Rose Johns

1 min

Benjamin Franklin

1 min

César Chávez

1 min

Clara Barton

1 min

George Washington Carver

1 min

John Muir

1 min

Sequoyah

1 min

Louis Armstrong

1 min

Sojourner Truth

1 min

Susan B. Anthony

1 min