United States biochemist (born in England) honored for his discovery that some genes contain introns (born in 1943).

synonyms: Richard J. Roberts, Richard John Roberts.

United States evangelist (born 1918).

synonym: Oral Roberts.

United States writer remembered for his historical novels about colonial America (1885-1957).

synonym: Kenneth Roberts.

A Welsh pirate credited with having taken more than 400 ships (1682-1722).

synonym: Bartholomew Roberts.