Marguerite Long was a French pianist and teacher.

Marguerite Marie-Charlotte Long was born in Nîmes

Nîmes

Nîmes is the capital of the Gard department in the Languedoc-Roussillon region in southern France. Nîmes has a rich history, dating back to the Roman Empire, and is a popular tourist destination.-History:...

. She studied with Henri Fissot at the Paris Conservatoire

Conservatoire de Paris

The Conservatoire de Paris is a college of music and dance founded in 1795, now situated in the avenue Jean Jaurès in the 19th arrondissement of Paris, France...

, taking a premier prix in 1891, and privately with Antoine François Marmontel

Antoine François Marmontel

Antoine François Marmontel was a French pianist, teacher and musicographer.Marmontel entered the Paris Conservatory in 1827. His teachers were Pierre Zimmerman in pianoforte, Victor Dourlen in harmony, Jacques Fromental Halévy in fugue and Jean-François Le Sueur in composition...

. From 1906 to 1940 she taught at the Paris Conservatoire, and in 1920 she succeeded Louis Diémer

Louis Diémer

Louis-Joseph Diémer was a French pianist and composer.- Life :Diémer studied at the Paris Conservatoire, winning premiers prix in piano, harmony and accompaniment, counterpoint and fugue, and solfège, and a second prix in organ...

 as professor of piano. She also taught privately. Her students included Jacques Février

Jacques Février

Jacques Février was a French pianist and teacher.Jacques Février was born in Saint-Germain-en-Laye, the son of the composer Henry Février. He studied with Édouard Risler and Marguerite Long at the Paris Conservatoire, taking a premier prix in 1921...

, Samson François

Samson François

Samson Pascal François was a French pianist and composer.-Biography:François was born in Frankfurt where his father worked at the French consulate. His mother, Rose, named him Samson, for strength, and Pascal, for spirit...

, Zvart Sarkissian, Georges Savaria

Georges Savaria

Georges Savaria is a Canadian pianist, composer, ondist, college administrator, and music educator. His compositional output consists of a 1951 piano concerto, several songs and works for solo piano, and music for theatre, television, and radio...

, and Gabriel Tacchino

Gabriel Tacchino

Gabriel Tacchino is one of the premier post-war French classical pianists; he also teaches piano.Tacchino was born in Cannes. He studied at the Paris Conservatoire from 1947 to 1953, where his teachers included Jacques Février and Marguerite Long...

, as well as Jean Doyen, Monique Duphil, Marie-Thérèse Fourneau, Waleed Hourani, Willem Ibes, and Micheline Laudun Denis.

Long's husband, Joseph de Marliave

Joseph de Marliave

Joseph de Marliave was a French musicologist. He is best known for his book on the Beethoven quartets, which was the most widely-read and quoted book on the subject prior to Joseph Kerman's 1966 book The Beethoven Quartets....

 (1873–1914), was killed in August 1914 in action during World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

. Maurice Ravel

Maurice Ravel

Joseph-Maurice Ravel was a French composer known especially for his melodies, orchestral and instrumental textures and effects...

 dedicated the last section, the Toccata, of Le Tombeau de Couperin to him. Marguerite Long gave the first performances of this work in 1919, and in January 1932 the premiere of Ravel's Piano Concerto in G major, which was dedicated to her.

In 1943 she and violinist Jacques Thibaud

Jacques Thibaud

Jacques Thibaud was a French violinist.Thibaud was born in Bordeaux and studied the violin with his father before entering the Paris Conservatoire at the age of thirteen. In 1896 he jointly won the conservatory's violin prize with Pierre Monteux...

 established the Marguerite Long-Jacques Thibaud International Competition

Long-Thibaud-Crespin Competition

The Marguerite Long-Jacques Thibaud Competition is an international classical music competition for pianists and violinists that has operated in France since 1943. It was created by the pianist Marguerite Long and the violinist Jacques Thibaud...

 for violinists and pianists, which takes place each year in Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

. From 2011, it will include singers and be known as the Long-Thibaud-Crespin Competition, in honour of the soprano Régine Crespin

Régine Crespin

Régine Crespin was a French singer who had a major international career in opera and on the concert stage between 1950 and 1989. She started her career singing roles in the dramatic soprano and spinto soprano repertoire, drawing particular acclaim singing Wagner and Strauss heroines...

.

She died in Paris in 1966, aged 91.