My husband was born in France, French-American Hospital when his parents were stationed there in 1952. Does this give him dual citizenship? (France - USA)?

French citizenship laws are based upon the French Nationality Code.

FRENCH CITIZENSHIP BY BIRTH:
Child born within the territory of France, regardless of the nationality of the parents.

FRENCH CITIZENSHIP BY DESCENT:
Child born abroad, at least one of whose parents is a citizen of France.

FRENCH CITIZENSHIP MARRIAGE:
If the couple has been living in France for a year, after a period of two year's marriage to a French citizen, it is possible to make a declaration of French citizenship by marriage. If the couple is living outside of France, a three year waiting period is required. In addition to the many documents required to prove both the applicants nationality and the spouse's french nationality, there is a requirement for competency in the French language. The declaration of citizenship is made by the couple to the local court, or the French consulate if overseas. The declaration is accepted or rejected by decision of the Ministry of Justice.

FRENCH CITIZENSHIP BY NATURALIZATION:
Persons seeking naturalization as French citizens face varying conditions. Residence circumstances are significant. These persons may seek naturalization:
- Person who has been a resident of France for five years.
- Person who has resided in France for two years and has a degree from a University or has rendered important service to France.
The following persons have no residency requirement and may seek naturalization:
- Person who has rendered exceptional service to France.
- Person who has served in a combat unit of the French Army.
- Person who is the spouse or minor child of a person acquiring French citizenship.

DUAL FRENCH CITIZENSHIP: RECOGNIZED.

LOSS OF FRENCH CITIZENSHIP:
Final authority for loss of citizenship lies with the French government.
VOLUNTARY: Contact the French Embassy for details and proper paperwork.
INVOLUNTARY: The following is grounds for involuntary loss of French citizenship: Person serves in a foreign military or civil service and has not complied with French orders to leave such service.

French citizenship information is summarized from the above-mentioned law. Any action concerning French citizenship should be taken after consulting with a French immigration lawyer or the official authority responsible for French citizenship.

Was he born in a military hospital? If so then he is an American citizen not a dual citizen.