Jason Alexander, music director Jonathan Wolff, and Jerry Seinfeld pose together at Wolff’s studio after recording some early radio commercials for Seinfeld. COURTESY OF JONATHAN WOLFF

Jerry Seinfeld on the set with writer Andy Robin’s grandmother-in-law, Helen Farr, and sister-in-law, Polly Macgregor Ford. COURTESY OF ANDY ROBIN

Writer Andy Robin’s sister-in-law, Polly Macgregor Ford, snaps a shot with Seinfeld’s 40th birthday cake. COURTESY OF ANDY ROBIN

Larry David and Seinfeld prepare to shoot the show’s final episode, captured by photographer David Hume Kennerly. GETTY IMAGES

Larry David’s notes on an outline for an unproduced episode that Stoller pitched. COURTESY OF FRED STOLLER

An excerpt from a draft of the episode “The Soup,” with lines that were cut from the final version. COURTESY OF FRED STOLLER

Stoller and Kenny Kramer, the real-life model for the character of Kramer. PHOTO BY ADAM ANSELL

Writers Andy Robin, Larry Charles, and Peter Mehlman backstage. COURTESY OF ANDY ROBIN

TV producer Joe Davola—who willingly lent his name to the character of “Crazy Joe Davola” on Seinfeld—at a TV industry event in 2012. GETTY IMAGES

Writer Alec Berg in the Seinfeld offices. COURTESY OF ANDY ROBIN

Writer Jeff Schaffer hamming it up for the camera next to Carol Leifer. COURTESY OF ANDY ROBIN

Kenny Kramer hosts “Soup Nazi” actor Larry Thomas at Kramer’s “Seinfeld Reality Tour” of New York City in 2006. GETTY IMAGES

Writer Max Pross’s expert illustrations adorn a Seinfeld script. COURTESY OF ANDY ROBIN

Andy Robin’s grandmother-in-law, Helen Farr, in his Seinfeld office, next to the all-important white board full of story ideas for each of the four characters. COURTESY OF ANDY ROBIN

Writer Max Pross at his Seinfeld desk. COURTESY OF ANDY ROBIN

Writer Andy Robin, right, and his wife, Anna Macgregor Robin, backstage at a Seinfeld taping. COURTESY OF ANDY ROBIN

Writer Fred Stoller and the monkey he befriended on the set. COURTESY OF FRED STOLLER

Actor Steven Hynter, who played comedian Kenny Bania, and writer Fred Stoller on the set. COURTESY OF FRED STOLLER

Writer Fred Stoller and actor Wayne Knight, who played Newman. COURTESY OF FRED STOLLER

Julia Louis-Dreyfus, Jerry Seinfeld, Michael Richards, and Jason Alexander in the emotional final moments of shooting, taken by David Hume Kennerly. GETTY IMAGES

Julia Louis-Dreyfus, Jerry Seinfeld, Larry David, and director Andy Ackerman at the final table read. GETTY IMAGES

In 2012, Jason Alexander hands out samples of the Original SoupMan soup, the inspiration for the episode “The Soup Nazi.” GETTY IMAGES

Kenny Kramer poses amid his merchandise at the Brooklyn Cyclones’s Seinfeld-themed game in 2013. PHOTO BY JENNIFER KEISHIN ARMSTRONG

Seinfeld fans Matt Bergstein, Emily Donati, Evan Chinoy, and Jerry Kallarakkal at the Brooklyn Cyclones’s Seinfeld night in 2013. PHOTO BY JENNIFER KEISHIN ARMSTRONG

“Soup Nazi” actor Larry Thomas poses with fans at the Brooklyn Cyclones’s Seinfeld night in 2013. PHOTO BY JENNIFER KEISHIN ARMSTRONG

Jerry Seinfeld, Jason Alexander, and Larry David while shooting the final Seinfeld. GETTY IMAGES

Nearly 5,000 fans came out to watch the Seinfeld finale together in St. Louis. GETTY IMAGES

Monica Shapiro and Richard Yates, with Monica’s brother-in-law, Richard Levine, and sister, Sharon Yates. Monica was one of the inspirations for the character of Elaine; her novelist father, Richard, was the model for Elaine’s father, Alton Benes. COURTESY OF MONICA SHAPIRO

Jerry Seinfeld and Bob Wright, the former NBC president who tried to talk Jerry into doing a tenth year of Seinfeld for $5 million per episode, at the 2004 release party for the show’s DVDs. GETTY IMAGES

NBC programming executive-turned-filmmaker Jeremiah Bosgang chats with Jerry Seinfeld in Bosgang’s independent feature Show Me Your Potatoes. COURTESY OF JEREMIAH BOSGANG

Michael Richards, the guest-star chimp, and Jerry Seinfeld. COURTESY OF FRED STOLLER