Leonard Nimoy’s first autobiography, published in 1975, was titled I am Not Spock, the actor having been pigeonholed to some extent as the Vulcan scientist from Star Trek. His follow up, published 20 years later, was called I am Spock. In those intervening years, the man himself had come to realise what a potent cultural symbol he had become, and seemed to have reconciled himself to it. As we look back in the aftermath of his passing, it’s certainly apparent that being Spock was no bad thing.The Boston born actor had a long, if unspectacular career in television and film before his…