Jean Piaget, Developmental Psychologist
Swiss psychologist Jean Piaget was the first to realize that the cognitive processes of children differ from those of adults. Over his 75-year career...
William Carlos Williams, Writer and Physician
Celebrated writer William Carlos Williams is noted for his influence on the development of the short story form in 20th century American literature. His...
Bahá’u’lláh, Founder of the Bahá’í Religion
Iranian spiritual leader Bahá'u'lláh founded the Bahá’í religion in 1863. Today, it has five million followers from around the world.
Bahá'u'lláh's Early Days
Mirza Hoseyn Ali...
Edward Jenner, Physician Who Discovered a Vaccination for Smallpox
An English physician who spent his early years studying fossils and birds, Edward Jenner discovered a vaccination for smallpox disease in 1796. His experiments...
Hetty Green, the “Witch of Wall Street”
Hetty Green was a successful American businesswoman who was as renowned for her Wall Street savvy and fantastic wealth as she was for her...
Margaret Sanger, Founder of Birth Control League (Planned Parenthood)
After seeing what she felt were too many women dying a result of unintended pregnancy, Margaret Sanger decided it was time for a revolution....
Butch Cassidy, Wild West Outlaw
Butch Cassidy was a famed outlaw in the dying days of the Old West, leading the Hole-in-the-Wall Gang and the Wild Bunch in daring...
Jerry Seinfeld, Comedian and Actor
Jerry Seinfeld is most famous for playing himself on the hit TV show “Seinfeld,” as well as in the documentary “Comedian.” “Seinfeld” the show...
Thurgood Marshall, Civil Rights Lawyer and Supreme Court Justice
Before Thurgood Marshall became the first African-American justice of the Supreme Court, he was also the most successful person to argue cases before the...
Leo Szilard, Physicist and Contributor to the Manhattan Project
Leo Szilard, the Hungarian Jewish physicist, molecular biologist and inventor, worked on the Manhattan Project but expressed himself as a “scientist of conscience,” using...
