Leonard Nimoy, who lived long and prospered, died Friday at his Los Angeles home. The creator of Mr. Spock, television’s most beloved pointy-eared half-Vulcan, was 83 and had suffered for several years from chronic obstructive pulmonary disorder (COPD), which makes it difficult to breathe. “I quit smoking 30 yrs ago,” he tweeted last week. “Not soon enough. I have COPD. Grandpa says, quit now!! LLAP.” “LLAP” was Spock’s best-known catch phrase: Live long and prosper. To many of his fans, Leonard Nimoy was a one-hit wonder. One hit that lasted half a century. Nimoy created the beloved Mr. Spock in...