Official name: Century 21 Exposition Landmark: Space Needle Motto: Man in the Space Age Location: 1,5 kilometres north of the city centre Area: 30 hectare Category: General Exhibition 2. Category Duration: 21 April – 21 October 1962 (184 days) Participants: 50 nations 4 international organisations, 152 American companies Visitors: 9,609,969 Entrance fee: adults 2 dollars, Children up to 13 years 1 dollar, season ticket 50 dollars Cost of construction work and preparation of site: 23 million dollar Pavilions: 5 permanent buildings, 10 international theme pavilions, 26 national pavilions, 4 international Organisations, 49 American exhibitors Classification: 5 Theme Areas Organisation: La Century 21 Exposition Inc., 124 members, controlled by a management board Patron: Ex-President Dwight D. Eisenhower Honorary President: Albert D. Rosellini, Head of the state Washington Head Architect: Paul Thiry Head Designer of the exhibition: Herb Rosenthal