He left IBM in 1983 and has written extensively of the relational model, in association with Hugh Darwen.
The Third Manifesto (1995) is Christopher J. Date's and Hugh Darwen's proposal for future database management systems, a response to two earlier Manifestos with the same purpose.
Hugh Masekela | Hugh Jackman | Hugh Grant | Hugh Laurie | Hugh Hefner | Hugh | Hugh O'Brian | Hugh Grosvenor, 2nd Duke of Westminster | Hugh Percy, 2nd Duke of Northumberland | Hugh Percy, 1st Duke of Northumberland | Hugh Martin | Hugh Dennis | Hugh Walpole | Hugh O'Neill, Earl of Tyrone | Hugh de Lacy | St Hugh's College, Oxford | Hugh Wheeler | Hugh Trenchard, 1st Viscount Trenchard | Hugh Trenchard | Hugh Pughe Lloyd | Hugh MacDiarmid | Hugh Lloyd | Hugh Greene | Hugh Carey | Hugh Wolff | Hugh Trevor-Roper | Hugh Shelton | Hugh Price Hughes | Hugh O'Neill | Hugh Latimer |