Las Vegas Sun. The cause was pancreatic cancer. Horn died last May of COVID-19 complications at age 75.Fischbacher and Horn, both natives of Germany, formed their act after meeting on a cruise ship in the 1950s.
They performed magic tricks in shows that also featured large animals, including tigers and elephants. Billed as Siegfried & Roy, they made their debut in Vegas in the 1960s, and their popularity endured into the 21st century.But they ceased performing after a white tiger mauled Horn and dragged him off the stage in 2003.