The United States Senate election of 1972 in Massachusetts was held on November 7, 1972. Incumbent Republican Senator Edward Brooke defeated Democratic nominee John Droney in a landslide. , this remains the last time that a Republican has Massachusetts’s Class 2 Senate seat and the last time a Republican has been elected to either Senate seat for a full term. This was also the last time until 2010 that a Republican would win any U.S. Senate election in the state. Republican primary Candidates Edward Brooke, incumbent Senator since 1967 Senator Edward Brooke was unopposed for re-nomination. At the state convention on June 24, he was renominated by acclamation. Democratic primary Candidates John J. Droney, Middlesex County District Attorney Gerald O'Leary, Boston City Councilor John P. Lynch, Hampden County Register of Deeds Declined John Kenneth Galbraith, economist and former U.S. Ambassador to India Campaign John Droney won the party endorsement at the June 11 convention on the sixth ballot. The party platform endorsed legalized marijuana and an end to the Vietnam War. During the campaign, Droney declined to prosecute Senator Brooke for perjury stemming admitted misstatements during his divorce proceedings, citing a lack of jurisdiction as the proceedings had taken place in Boston. Results General election Candidates Edward Brooke, incumbent Senator since 1967 (Republican) John J. Droney, Middlesex County District Attorney (Democratic) Donald Gurewitz, anti-war activist (Socialist Workers) Results See also United States Senate elections, 1972 External links and references Race details at ourcampaigns.com 1972 United States Senate Massachusetts