The country has produced some internationally known artists, including the painters Théo Kerg, Joseph Kutter and Michel Majerus, and photographer Edward Steichen, whose ''The Family of Man'' exhibition has been placed on UNESCO's Memory of the World register, and is now permanently housed in Clervaux. Editor and author Hugo Gernsback, whose publications crystallized the concept of science fiction, was born in Luxembourg City. Movie star Loretta Young was of Luxembourgish descent.