Robert Maclennan, Baron Maclennan of Rogart

Robert Adam Ross "Bob" Maclennan, Baron Maclennan of Rogart, (26 June 1936 – 18 January 2020) was a British Liberal Democrat politician and life peer.

He was the last leader of the Social Democratic Party (SDP), serving during the negotiations that led to its merger with the Liberal Party in 1988. He then became joint interim leader of the new party, known as the Social and Liberal Democrats (SLD) and later as the Liberal Democrats. He served as a Member of Parliament (MP) from 1966 to 2001, when he was elevated to the House of Lords.

Early life MacLennan was born in Glasgow in 1936. His father, Sir Hector MacLennan, was a renowned gynaecologist and obstetrician. From 1963 to 1964, he worked at Sullivan & Cromwell in New York.

Following his retirement at the 2001 general election, he was raised to the House of Lords, created a life peer as Baron Maclennan of Rogart, of Rogart in Sutherland. He was the party's Cabinet Office and Scotland spokesman in the House of Lords until 2015.

Personal life and death In 1968, Maclennan married Helen Noyes (née Cutter), daughter of Justice Richard Ammi Cutter of the Massachusetts Supreme Judicial Court. As Maclennan's spouse she was Lady Maclennan of Rogart. She had one son from a previous marriage, and a son and a daughter with Maclennan.

Maclennan died at his home in the City of Westminster on 18 January 2020, at age 83.