Fred Rogers was a television host, creator of the children's television show Mr. Rogers Neighborhood, and a friend to people of all ages.
Playwright August Wilson was best known for his series of 10 plays known as The Pittsburgh Cycle.
Rachel Carson was a marine biologist, conservationist and a leader in the field of environmental science.
Pittsburgh Pirates baseball player Roberto Clemente was also a humanitarian who died in a tragic plane crash while on a mission to assist earthquake victims.