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Benjamin Franklin (January 17, 1706 – April 17, 1790) was one of the Founding Fathers of the United States of America. A noted polymath, Franklin was a leading author and printer, satirist, political theorist, politician, scientist, inventor, civic activist, statesman, and diplomat. As a scientist, he was a major figure in the Enlightenment and the history of physics for his discoveries and theories regarding electricity. He invented the lightning rod, bifocals, the Franklin stove, a carriage odometer, and the glass harmonica. He formed both the first public lending library in America and first fire department in Pennsylvania.

Benjamin Franklin

Benjamin Franklin (January 17, 1706 – April 17, 1790) was one of the Founding Fathers of the United…

(1797-1877) American journalist

Nathaniel Greene

(1797-1877) American journalist

An American abolitionist, social activist and poet.

Julia Ward Howe

An American abolitionist, social activist and poet.

The launcher of women's political advocacy. She was considered to be the first major American women's activist.

Lucretia Mott

The launcher of women's political advocacy. She was considered to be the first major American women's…

Edmund Ruffin (January 5, 1794 – June 18, 1865) was a farmer and slaveholder, a Confederate soldier, and an 1850s political activist.

Edmund Ruffin

Edmund Ruffin (January 5, 1794 – June 18, 1865) was a farmer and slaveholder, a Confederate soldier,…

Rudolf Ludwig Karl Virchow (13 October 1821 – 5 September 1902) was a German doctor, anthropologist, public health activist, pathologist, prehistorian, biologist and politician. He is referred to as the "Father of Pathology," and founded the field of Social Medicine.

Rudolf Virchow

Rudolf Ludwig Karl Virchow (13 October 1821 – 5 September 1902) was a German doctor, anthropologist,…