He wrote the 1959 Broadway play Kataki starring Sessue Hayakawa and Ben Piazza.
He continued to write stories for a variety of publications including Harper's Bazaar, The New Yorker, and Punch.
[1] He wrote another play in 1962 called Windows of Heaven which premiered at Stockholm's Royal Dramatic Theater.
He invented the Vulcan Mindmeld in the script for "Dagger of the Mind", which aired during the first season of Star Trek.
He wrote or co-wrote over 100 scripts for episodes[1] of the following television series: Wincelberg died on 19 September 2004 of an undisclosed illness in a nursing home in Los Angeles at the age of 80.