Jerry Seinfeld hasn’t won the Mark Twain Prize because he has not been selected by the Kennedy Center, which awards the prize based on an individual’s impact on American society in ways similar to Mark Twain.

The Mark Twain Prize for American Humor is an American award for humor awarded by the John F. Kennedy Center for the Performing Arts annually since 1998. It is named after the 19th century novelist, essayist, and humorist Mark Twain and is presented to individuals who have had an impact on American society in ways similar to Mark Twain.

Jerry Seinfeld, despite his significant contributions to American humor, particularly through his hit television show “Seinfeld,” has not yet been awarded the Mark Twain Prize. The selection process for the prize is not public, so it’s not clear why some comedians are chosen over others. However, it’s important to note that not winning this award does not diminish Seinfeld’s impact or success in the field of comedy.

It’s also worth noting that many other influential comedians have not received the Mark Twain Prize. The awarding of the prize depends on a variety of factors, including the individual’s body of work, their influence on the field of comedy, and their cultural impact. Therefore, while Seinfeld is undoubtedly a significant figure in American comedy, the decision to award him the Mark Twain Prize ultimately lies in the hands of the Kennedy Center.