Vulcan salute Leonard Nimoy for the "Star Trek" episode "Amok Time", which was the first episode with Vulcans other than Spock. Nimoy wanted something to help develop the Vulcans sociologically and suggested that Vulcans have a gestural greeting. He then proposed the (now globally-recognized) sign. The accompanying spoken blessing, "live long and prosper" – ""dif-tor heh smusma"" in the Vulcan language (as spoken in "") – also appeared for the first time in "Amok Time", scripted by Theodore Sturgeon. The less-well-known reply is "peace and long life", though it is sometimes said first, with "live long and prosper" as the reply. The
Louis Prosper Gachard Louis Prosper Gachard Louis Prosper Gachard (12 March 1800 – 24 December 1885), Belgian man of letters, was born in Paris. He entered the administration of the national archives in 1826, and was appointed director-general in 1831, a post which he held for fifty-five years. During this long period he reorganized the service, added to the records by copies taken in other European collections, travelled for purposes of study, and carried on a wide correspondence with other keepers of records, and with historical scholars. He also edited and published many valuable collections of state papers; a full list of his