Harold Wilson (Baron Wilson of Rievaulx) Harold Wilson was Leader of the Labour Party from 1963 until 1976. He served twice as Prime Minister, from 1964 until 1970 and 1974 until 1976. James Harold Wilson was born near Huddersfield in 1916. His father was a chemist, his mother a teacher. Aged 11, he won a scholarship to Royds Hall Secondary School in Huddersfield, moving on to Wirral Grammar ...