He has entered hospital a number of times over the last few months.In a tweet from Nimoy's account, his grandson Dani paid tribute to the well-loved actor, which signed off using Spock's phrase "Live Long and Prosper"."He was an extraordinary man, husband, grandfather, brother, actor, author-the list goes on- and friend.Trekkies often greet one another with the Vulcan salute and the Vulcan motto, “Live Long and Prosper” - both of which Nimoy was credited with bringing to the character.He pointed out, however, that the hand gesture was actually derived from one used by rabbis during Hebraic benedictions.The actor found his big break as Spock in TV series which attempted to probe such mysteries as the legend of the Loch Ness Monster and the disappearance of aviator Amelia Earhart.
However he later decided to drop out and moved to California and where he took acting lessons at the Pasadena Playhouse.The couple divorced, and in 1988 he married Susan Bay, a film production executive.After service in the Army, he returned to Hollywood, where he worked as a taxi driver, vacuum cleaner salesman, movie theater usher and other jobs while looking for acting roles.He used the name Jonny P Jewels as he performed as the lead singer for the band before it dissolved in 2009. In her 1998 autobiography 'The Longest Trek: My Tour of the Galaxy,' she wrote that her acting career largely came to an end and she became an alcoholic.She wrote that she struggled with her addiction for many years before getting treatment and regaining her career with the help of Leonard Nimoy, who starred as Spock in the series.
His first appearance in the show was in the 1990 episode of the show, Reunion. But Nimoy's ambivalence to the role was reflected in the titles of his two autobiographies, 'I Am Not Spock' (1975) and 'I Am Spock' (1995).