Had a serious brain hemorrhage/stroke and was in a coma in May 2013. Sixteen months later he was able to walk but still barely able to speak. It is rumored that he has subsequently recovered, but he has not been active in television.
I knew the only way I could truly learn how to be a Vulcan was to try to follow the precedent set by Leonard Nimoy and his performance as Mister Spock on Star Trek. So I began watching videotapes of the old series. I borrowed four tapes from the casting office and when I finished with those I asked them for four more. By the time I did my audition I'd probably watched fifty shows and when it came time to start filming I'd watched all seventy-eight episodes. I became this incredible fan and I realized how cool the show is.