Premier, Chief Minister, Agricultural Officer and Poet. Born at Vieille Case, 3 October 1923. He was educated at the Vieille Case government school and took a course in agriculture at the Imperial College of Tropical Agriculture, Trinidad in 1944. He later studied on his own for the London Matriculation Certificate obtained in 1948. Worked in the civil service as Agricultural Instructor 1945-1953. Then was employed by the Dominica Banana Growers Association (DBGA) as agent in the northern district. Served during this time as nominated and then elected member of the Vieille Case Village Council. In his spare time he wrote poetry, some of which was published in the US.

In 1957 he joined Dominica Labour Party (DLP), which had been founded two years earlier by Phyllis Allfrey and E.C Loblack. Le Blanc contested the general elections of that year and won the Portsmouth seat in the Legislative council. The following year he resigned his seat to contest the Federal Elections, and along with Phyllis Allfrey, represented Dominica in the Federal Parliament of the West Indies. In 1960 he resigned from the Federal Parliament to contest the local Dominica general elections of 1961. He led the (DLP) to its first victory, winning the Roseau South constituency, becoming Chief Minister and Minister of Finance. In the aftermath of the collapse of the WI Federation in May 1962 he participated in all of the conferences in London attempting to save a federation of "the little eight" islands which were left after Jamaica and Trinidad went independent. Finally, when all else failed, he attended the 1966 Lancaster House Conference to make Dominica a self-governing Associated State in March 1967. He became the island's first Premier.

From the following year political pressure increased with the formation of The Dominica Freedom Party (DFP) out of remnants of old DUPP as a result of unpopular legislation passed by the DLP. In spite of this, Le Blanc's widespread popularity in the countryside rode triumphant. He was associated with the great social, economic and infrastructural changes that swept Dominica during the 1960's. The regional banana boom, Colonial Development & Welfare (CDW) funded projects planned long before, and the tide of change sweeping the Caribbean had much to with this, but locally, Le Blanc was associated with leading all these achievements. His championing of the cause of "the little man" against the strangle hold of the old elite and the raising to the prominence of local talent in all fields, and folk culture in particular, made him the hero of the hour.

But in 1970 his leadership was challenged by members of his own Cabinet who ousted him from the DLP. Running with his supporters under the banner of the Le Blanc Labour Party he comfortably won the 1970 general elections. By 1973 however, faced with protest demonstrations over another attempt at regional integration, this time with Guyana, and conflicts with the DFP, as well as with the Civil Service Association (SCA) supported by other trade unions, Le Blanc was becoming weary of leadership. In July 1974 he resigned and the position of Premier went to Patrick R. John. Le Blanc retired to his home at Vieille Case. At the early age of 53, embittered by what he saw as ingratitude and deceit around him and withdrew completely from public life.