Jean-Baptiste Soleil Jean-Baptiste Soleil </div>Jean-Baptiste François Soleil (1798–1878) was a French optician and engineer. In 1819, Soleil founded an eponymous company at 23 Passage Vivienne in Paris, specialised in making optics instruments for such notable researchers as Fresnel, Arago, Foucault and Babinet. In 1825 he moved business to 21, rue de l'Odéon . In 1843, he made a heliostat for Jean Thiébault Silbermann. In 1849, the business was split between to divisions under his son Henri Soleil, and his son-in-law Jules Duboscq. The Soleil division went on under Laurent Soleil, and has now been renamed to Jobin Yvon. The Duboscq division was
Cité Soleil force. During the mid-1990s, the city's population was terrorized by armed gangs which drove the local police out; this situation prevented officials aid workers from intervening to provide help. In 1999, Cité Soleil was set on fire by a gang and at least 50 shacks were burned. By 2002, the violence escalated as the gangs began warring with each other in addition to preying on ordinary people. Many inhabitants had temporarily left to escape the turmoil. In a series of operations from 2004 to 2007, UN peacekeepers tried to seize control from the gangs in Cité Soleil and end the