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About Robert Altmayer
- Marie-Robert Altmayer (1875–1959) was a French army corps general.
- He was the eldest son of the divisional general Victor Joseph Altmayer (1844–1908) and elder brother of general René Altmayer.
- They were of German descent. He commanded cavalry in Algeria in 1929.
- He then became inspector general of cavalry from 14 October 1932 to 5 October 1936.
- He was retired on 30 July 1937 then re-mobilised on 21 May 1940 on the orders of general Maxime Weygand.
- On 24 May he was put in command of 10th Army, with which he tried to hold a front along the river Seine until 14 June, when he shifted to delaying tactics as far as the river Loire.
- He did not receive his final orders to build a "Breton redoubt" behind a defence line between Saint-Malo and Saint-Nazaire as envisaged by Paul Reynaud and was captured on 19 June.
- He remained a prisoner until 23 December 1941 and was retired again on 26 February 1942.
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