Wangari Maathai
Wangari Maathai was a Kenyan scientist, environmentalist and democratic activist who founded the Green Belt Movement. By linking tree planting with women’s empowerment, human rights and political accountability, she helped transform environmental conservation into a movement for community power and peace.
Chiune Sugihara
Chiune Sugihara was a Japanese diplomat who defied official restrictions in Lithuania in 1940 and issued more than two thousand recorded transit visas to Jewish refugees. His decision helped thousands begin an escape across the Soviet Union and through Japan during the Holocaust.
Joseph Marshall III
Joseph M. Marshall III was a Sicangu Lakota historian, author, educator and storyteller who preserved Lakota history through oral tradition, scholarship and cultural memory. His work on Crazy Horse, Little Bighorn and tribal education helped restore Indigenous voices to narratives too often told from outside the communities that lived them.
Harriet Tubman
Born into slavery, Harriet Tubman escaped to freedom before risking her life to guide others along the Underground Railroad. Soldier, scout, intelligence operative and humanitarian, she became one of the most remarkable figures in American history.
Henrietta Swan Leavitt
Henrietta Swan Leavitt transformed astronomy by discovering the relationship that allowed humanity to measure the universe. Her meticulous work on variable stars became the foundation of modern cosmology and changed our understanding of the cosmos forever.

