Necker Island (British Virgin Islands) would survive their castaway adventure for at least three weeks, but as McCullin later recounted, "because of our gathering weakness ... out of temper, and out of water, we hoisted the red flag and were taken off in the early hours of the fifteenth day". According to McCullin, there was nothing idyllic about the desert island: "The mosquitos and other insects were more venomous and persistent than any I had encountered in Vietnam or the Congo." Richard Branson's "Extreme Tech Challenge" has been hosted annually at Necker Island since 2015. Described as one of the largest technology competitions in the
Louis Necker his wife Isabelle André, whom he had married in 1752 and came from Marseille. In 1761 he was forced to resign from his professorship after a scandal (Vernes-Necker case). In 1762 with the help of his brother he was appointed in a trading house in Marseille and added to his last name de Germany, after the family estate near Rolle. He was dropped from the Académie des sciences's list of Corresponding Members in 1767. In 1770 he moved to Paris. In 1772 he became a banker at . In 1773 he remarried. Between 1774 and 1778 he must have been