What famous Spanish artist produced the PR material for the Eurovision Song Contest final in 1969?

Explanation

The Spanish artist Salvador Dalí produced both the PR material and a big metal sculpture that stood on the stage for the ESC final at Teatro Real in Madrid in 1969. Dalí lived from 1904 to 1989 and was known for his surreal paintings and sculptures. Surrealism was an artistic movement in Europe that started in the early 1920s.