Step 1 : Introduction to the question "What co-creator of Seinfeld went on to star in Curb Your Enthusiasm?"
... Lawrence Gene David (born July 2, 1947) is an American comedian, writer, actor, playwright, and television producer. He and Jerry Seinfeld created the television series Seinfeld, of which David was the head writer and executive producer from 1989 to 1996. David has subsequently gained further recognition for the HBO series Curb Your Enthusiasm, which he also created, in which he stars as a semi-fictionalized version of himself.