Roy Uwe Ludwig Horn, whose collaboration with Siegfried Fischbacher created the well-known animal training and magic duo Siegfried & Roy, died of complications from COVID-19 Friday in Las Vegas. He was 75. Horn had revealed on April 28 that he had tested positive for coronavirus. “Today, the world has lost one of the greats of magic, but I have lost my best friend,” Siegfried said in a statement, “From the moment we met, I knew Roy and I, together, would change the world. There could be no Siegfried without Roy, and no Roy without Siegfried. “Roy was a fighter his...