Wilbur Clark, right, shaking hands with an unidentified man at his birthday party held at Wilbur Clark's Desert Inn in Las Vegas, Nevada. The birthday cake is seen sitting on the table behind them.

Guests at Wilbur Clark's birthday party hosted in Las Vegas, Nevada. The identified guests include Patty Tueller, left, and Laura Coniglio, who is sitting in the center and facing the camera.

An up close view of cake for Wilbur Clark's birthday party held in Las Vegas, Nevada.

Wilbur Clark, left, with guests at his birthday party held in Las Vegas, Nevada. The two guests include Sid Bliss, center, and Merv Adelson, right.

Guests Evelyn and Max Goot at Wilbur Clark's birthday party held in Las Vegas, Nevada.

From left to right, guests Joyce Mack, Lori Adelson, and Jerry Mack at Wilbur Clark's birthday party in Las Vegas, Nevada.

Guests at Wilbur Clark's birthday party held in Las Vegas, Nevada. From left to right, the people pictured are Maury Soss, Olga Soss, and Fran Moore.