Which future British prime minister, a former banker, was first elected to Parliament in 1979?

Before playing Mr. Spock, which actor had a small role in the 1954 giant-ant movie "Them!"? Before he went to Alcatraz in 1934, which Chicago mobster did time in Philadelphia's Eastern State Penitentiary? Before his 1915 execution, which labor activist and songwriter wrote, "Don't waste time in mourning. Organize!"? Which leader, assassinated in 1948 and called the father of modern India, praised "the willing sacrifice of the innocen… Before his 1998 wedding to Barbra Streisand, which actor was known as the TV spokesman for AAMCO transmission centers? Before his death in 1920, which journalist helped found America's Communist Labor Party and edited its paper? Before his famous dictionary, who published the 1783 "American Spelling Book", a mainstay of pioneer schooling? Before moving into 10 Downing Street, who won election in 1983 as the MP for Dunfermline East?