Karel HubáÃÂek (; 23 February 1924 – 25 November 2011) was a Czech architect who designed the Jeà ¡tÃÂd Tower and hotel atop the Jeà ¡tÃÂd mountain near Liberec.
HubáÃÂek's best known work was the Jeà ¡tÃÂd Tower, which was constructed between 1966 and 1973. In 1969, the Jeà ¡tÃÂd Tower received the Perret Prize from the International Union of Architects. In 2000, Czech architects named HubáÃÂek's tower most successful domestic architectural work of the 20th century.
In addition to the Jeà ¡tÃÂd Tower, HubáÃÂek designed buildings throughout the Czech Republic. Czech architects named HubáÃÂek the fourth most influential Czech architect of all time. He was the only living architect to place in the top ten in the same survey.
HubáÃÂek was born in Prague, Czechoslovakia, on 23 February 1924. He died in the Czech Republic on 25 November 2011, at the age of 87.