Jo Grimond

Joseph Grimond, Baron Grimond, (; 29 July 1913 – 24 October 1993) was a British politician, leader of the Liberal Party for eleven years from 1956 to 1967 and again briefly on an interim basis in 1976.

Grimond was a long-term supporter of Scottish home rule; and, during his leadership, he successfully advocated for the Liberal Party to support the abolition of Britain's nuclear arsenal. Provided by Wikipedia