 At that hearing, Oppenheimer's security clearance was revoked.Chevalier was born September 10, 1901 in Lakewood Township, New Jersey to French and Norwegian parents.When he was in his twenties he felt attracted by the romantic aspects of seafaring and embarked as a deckhand on one of the last commercial sailing ships, the four-masted US schooner "Rosamond" for a voyage to the southern ocean and Cape Town.