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
Prosper Colas Prosper Colas François "Prosper" Colas (1842–1919) was a French archetier / bow maker based in Mirecourt, France. Born in Goincourt (Meurthe et Moselle) in 1842, he apprenticed locally, and was influenced by the late Dominique Peccatte school (in his early period). Prosper Colas's work is similar to that of François Bazin, Charles Claude Husson, and Pierre Cuniot. Around 1871, he came to Paris where he likely met Jean-Baptiste Vuillaume and worked for him. The first bows bearing his brand can be dated to this period and reflect Vuillaume's influence (with the "Vuillaume style frogs"). Prosper Colas worked for a varied