Official title: Exposition universelle et internationale de Bruxelles, Wereldtentoonstelling Brussel 1958 Symbol: Star with five irregular rays, and the planet earth Duration: 17 April - 19 October 1958 (185 days) Location: Heyselpark, 7 kilometres north-west of Brussels city centre Theme: "Balance of the world for a more humane world", "Technology in the service of mankind, human progress through technological progress" General director: Baron Georges Moens de Fernig General secretary: Charles Everaerts de Velp Area: 200 hectares, of which 74 hectares for the Belgian exhibition, 60 hectares gardens Roads: 25 kilometres Car parking: 45 000 Restaurants: 75 Participants: 51 nations, 7 international organisations Exhibitors: in total 4,645 Visitors: 41 454 412 Tickets: 30 Belgian Francs (15 US-Dollars) Costs: Outgoings 2,530,500,000 Belgian Francs Income: 2,571,890,000 Belgian Francs Profit: 41,390,000 Belgian Francs Pavilions: approximately 112 Symbol: Atomium Classification: 9 sections, 52 groups, 291 classes Congresses: 426 Jury: 65 Jurys Prizes: 3,961 prizes, of which 1003 to Belgian exhibitors