Jean Gallon Jean Gallon Jean Gallon (25 June 1878 - 23 June 1959) was a French composer, choir conductor, and music educator. His compositional output consists of six antiphons for strings and organ, one mass, one ballet, and several art songs. Born in Paris, Gallon was the elder brother of composer Noël Gallon. He had a long association with the Paris Conservatoire, first as a student, then as the director of concerts (1906-1914), and then as a faculty member from 1919 to 1949. A professor of harmony, he taught such notable musicians as Elsa Barraine, Paul Bonneau, Henri Challan, Georges Dandelot, Jean-Yves
Gallon works out at approximately (). The metric definition of exactly cubic decimetres (also after the litre was redefined in 1964, ≈ ) was adopted shortly afterwards in Canada, but from 1976 the conventional value of was used in the United Kingdom until the Canadian convention was adopted in 1985. Historically, gallons of various sizes were used in many parts of Western Europe. In these localities, it has been replaced as the unit of capacity by the litre. Gallon The gallon () is a unit of measurement for volume and fluid capacity in both the US customary units and the British