At the time of his death he was engaged upon a memoir on the Theta and Omega Functions, which he left nearly complete.
Across the transepts, and consisted of the choir, the gable of which was pierced by two tiers of five lancet windows and the Omega rose window; the north transept, in which the Dunbars were buried, and the south transept, the doorway of which is interesting for its dog's-tooth ornamentation; and the nave of five aisles.
Thus in the true idea of things there is no irreducible residuum of matter: mind is the Alpha and Omega, at once the initial postulate and the final truth of reality.
As this was placed at the end of the ordinary (not the numeral) Greek alphabet, "alpha and omega" has become a proverbial phrase for first and last.
The Greeks themselves, however, did not call S2 omega (great o) nor did they call 0 omicron (little o), though these names are given even in modern Greek grammars.
In 2006, a pig was genetically engineered to produce healthy omega-3 fatty acids.