German-born American writer (1924–2004) who, under the pen name S. Bar-David, wrote Dagger of the Mind and co-wrote the teleplay of The Galileo Seven.
Shimon Wincelberg was a playwright and television writer, born in Germany and raised in the United States, who wrote for many series of the 1950s and 1960s, among them Have Gun – Will Travel and Lost in Space. His Star Trek work appeared under the pseudonym S. Bar-David.
He wrote Dagger of the Mind, the first-season episode set at the Tantalus penal colony, where Dr Adams misuses a device called the neural neutraliser. The episode contains the first Vulcan mind meld seen in the series, performed by Spock on the fugitive Simon van Gelder.
He also shares the teleplay credit for The Galileo Seven with Oliver Crawford, who wrote the story.