Marc Elder (Marcel Tendron) (31 October 1884, Nantes – 16 August 1933, Saint-Fiacre-sur-Maine) was a French writer, winner of the Prix Goncourt for The People of the Sea.
He was a critic and art historian, a Knight of the Legion of Honor, he was curator of the Chateau des Ducs de Bretagne, in Nantes. The Place Marc Elder in the center of Nantes is named for him.
Le Peuple de la mer, G. Oudin, 1914
Deux essais: Octave Mirbeau, Romain Rolland, G. Cres, 1914
La vie apostolique de Vincent Vingeame, Calmann-Levy, 1917
Le sang des dieux, A. Michel, 1921
A Giverny, chez Claude Monet, Bernheim-Jeune, 1924
Gabriel-Belot, peintre imagier, A. Delpeuch, 1927
Pays de Retz, Emile-Paul, 1928
Les Dames Pirouette,' J. Ferenczi & fils, 1929
Croisieres J. Ferenczi & Fils, 1931
La belle Eugenie: roman, Ferenczi et fils, 1931
Jacques et Jean: bois originaux en couleurs de Robert Antral, Ferenczi et Fils, 1931
La Bourrine - Le Beau livre N°4, 1932
Jacques Cassard: corsaire de Nantes, J. Ferenczi, 1933
Marc Elder, ou, Un reve ecartele, Roger Douillard ed., Cid editions, 1987
Charles F. Stuckey, ed. (1985). "A Giverny, chez Claude Monet". Monet: a retrospective. Beaux Arts Editions. ISBN 978-0-88363-301-4.
