(yes, that's a dress joke).
He was an actor, of course, but also a writer, poet, film director (including two of the Star Trek series and Three Men And A Baby), and an inspiration to many. He struggled with his Spock character for a long time, but seemed to come to terms with it in the 1990s, concluding decades of soul-searching with his second autobiography, 1995's I Am Spock (after 1975's I Am Not Spock).
I'll watch Galaxy Quest (in which Alan Rickman's character is a clear homage to Nimoy himself) tonight, to mix some laughs with my sadness.
Live Long And Prosper, concluded the 83-year-old man, in his final tweet earlier this week, publishing his last poem at the same time, for the whole world to ponder:
A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP
— Leonard Nimoy (@TheRealNimoy) February 23, 2015