He was educated at Kingswood School and Fitzwilliam College, Cambridge. Bachelor, Bachelor of Laws Cambridgeshire., 1919.
President of Cambridge Union, 1921. They had one daughter. He was in Military Service, 1914-1918, Public Schools Battalion and 2nd Scottish Border Regiment, Lieutenant, France, 1915-1916 (wounded in Battle of Somme).
Special Instructor of Signals, 1917.
He was Call to Bar, Middle Temple, in 1921. He was President Hardwicke Society, 1924.
He was Recorder of King’s Lynn, 1943-1957. He was Chief of Legal and Advice Branch, Legal Division (British Section), Austrian Control Commission, 1944-1945.
He was General Council of the Bar, 1946-1948.
He was appointed a King"s Council in 1948. He was Justice of Appeal of the Supreme Court, Ghana, 1957-1962. He was a Commissioner in the Crown Courts, Manchester, 1963-1967, and Liverpool, 1965-1967.
He was President of Cambridge University Liberal Club, 1921.
He was Liberal candidate for the Epping Division of Essex at the 1922, 1923, 1924, 1929, and 1935 General Elections. Epping was a safe Conservative seat which had never returned a Liberal.
A now united Liberal Party had a resurgence at the next election and Sharp came his closest to winning Epping;
Although Churchill had not yet re-joined the Unionists, he stood with their local support;
The Liberal Party, now led by Lloyd George, was challenging strongly both nationally and locally, and for the first time in Epping since the war, the Unionist vote dropped below 50%;
Following the formation of the National government, he did not contest a seat at the 1931 General Election. Epping Liberals chose another Liberal candidate who managed to retain second place.
He returned to contest Epping at the next election, polling his lowest share of the vote.
This was the last time he contested Epping;
He did not contest a seat at the 1945 General Election. He was appointed to the Royal Commission on the Press, serving from 1947-1949. He was Liberal candidate for the newly created Cornwall seat of Falmouth and Camborne at the 1950 General Election.
Although Cornwall was a county where the Liberal Party support was strong, in this part of the county, Labour was established as the main alternative to the Conservatives and he finished a distant third;
He was a Governor of Guy"s Hospital.
Sharp stood as a candidate for the party that was led by H. H. Asquith rather than that led by David Lloyd George.
He was elected a Member of the Liberal Party Council in 1941.