Scott Brown was officially sworn in as a US senator on Feb. 4 after being elected to the Massachusetts seat that Edward M. Kennedy served in for nearly a half-century.
A Republican running in a Democratic-leaning state, Brown began the campaign as a little-known underdog, but rode a surge of populist support to a surprise victory over challenger Martha Coakley. Scroll through this gallery to learn more about Brown, his career, and the road that led to the nation's capital.
At right, Brown signed one of his campaign signs on Jan. 29.
Christine Peterson for The Boston Globe