Arlen Specter was Philadelphia District Attorney and was elected to the senate five times. He helped initiate the reauthorization of the Patriot Act.

John F. Kennedy, the 35th U.S. president, negotiated the Nuclear Test-Ban Treaty and initiated the Alliance for Progress. He was assassinated in 1963.

Barack Obama is the 44th and current president of the United States, and the first African American to serve as U.S. president. First elected to the presidency in 2008, he won a second term in 2012.

Michelle Obama is a lawyer, Chicago city administrator and community outreach worker, as well as the wife of U.S. President Barack Obama and the 44th first lady.

Arnold Schwarzenegger first gained fame as a body builder, using that as a launching point to become a huge Hollywood star and, later, the governor of California.

Ulysses S. Grant served as U.S. general and commander of the Union armies during the late years of the American Civil War, later becoming the 18th U.S. president.

J.K. Rowling is the creator of the Harry Potter fantasy series, one of the most popular book and film franchises in history.

Barack Obama is the 44th and current president of the United States, and the first African American to serve as U.S. president. First elected to the presidency in 2008, he won a second term in 2012.

Former Massachusetts Governor Mitt Romney made a run for the Republican nomination in the 2008 presidential election, losing to John McCain. He made another run for the presidency in 2012, but was defeated by President Barack Obama.