Ian McKellen, who played Patrick Stewart's rival in 'X-Men', shares post after his death

Actor Ian McKellen paid a tribute to Patrick Stewart, who died aged 86. "He wore his heart on his sleeve, which made him a...man to rely on, to admire...and in my case, love...We first met as...ambitious young actors...with the Royal Shakespeare Company...half a century ago," he wrote. Patrick and Ian played sworn nemeses Professor X and Magneto in 'X-Men' movies.