René Carmille was a punched card

Punched card

A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions...

 expert and comptroller

Comptroller

A comptroller is a management level position responsible for supervising the quality of accounting and financial reporting of an organization.In British government, the Comptroller General or Comptroller and Auditor General is in most countries the external auditor of the budget execution of the...

 general of the French Army

French Army

The French Army, officially the Armée de Terre , is the land-based and largest component of the French Armed Forces.As of 2010, the army employs 123,100 regulars, 18,350 part-time reservists and 7,700 Legionnaires. All soldiers are professionals, following the suspension of conscription, voted in...

 in the early 20th century. In World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 he was a double agent

Double agent

A double agent, commonly abbreviated referral of double secret agent, is a counterintelligence term used to designate an employee of a secret service or organization, whose primary aim is to spy on the target organization, but who in fact is a member of that same target organization oneself. They...

 for the French Resistance

French Resistance

The French Resistance is the name used to denote the collection of French resistance movements that fought against the Nazi German occupation of France and against the collaborationist Vichy régime during World War II...

 and part of the Marco Polo Network. He ran the Demographics

Demographics

Demographics are the most recent statistical characteristics of a population. These types of data are used widely in sociology , public policy, and marketing. Commonly examined demographics include gender, race, age, disabilities, mobility, home ownership, employment status, and even location...

 Department of Vichy

Vichy

Vichy is a commune in the department of Allier in Auvergne in central France. It belongs to the historic province of Bourbonnais.It is known as a spa and resort town and was the de facto capital of Vichy France during the World War II Nazi German occupation from 1940 to 1944.The town's inhabitants...

 and later the National Statistics Service

INSEE

INSEE is the French National Institute for Statistics and Economic Studies. It collects and publishes information on the French economy and society, carrying out the periodic national census. Located in Paris, it is the French branch of Eurostat, European Statistical System...

. In this capacity, he sabotaged the Nazi census

Census

A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...

 of France, saving untold numbers of Jewish people from death camps. He also used his department to help mobilize French resistance in Algeria. He was caught by the Nazis and sent to Dachau

Dachau

Dachau is a town in Upper Bavaria, in the southern part of Germany. It is a major district town—a Große Kreisstadt—of the administrative region of Upper Bavaria, about 20 km north-west of Munich. It is now a popular residential area for people working in Munich with roughly 40,000 inhabitants...

where he died on January 25, 1945.