Bill Gates (b. 1955) - Billionaire businessman and philanthropist. Gates reportedly got addicted to bridge through Warren Buffett; the two now play regularly online and in ACBL tournaments. Gates has a reputation as an enthusiastic learner, studying and playing with professionals to refine his game.
Martina Navratilova (b. 1956) - Tennis legend and winner of 59 Grand Slam titles. On the topic of bridge, she has been quoted as saying "No matter where I go, I can always make new friends at the bridge table." And also: "Bridge teaches logic, reasoning, quick thinking, patience, concentration and partnership skills."
Snoopy - Yes, Snoopy is a bridge player too. Peanuts cartoonist Charles Schulz, a long-time player, occasionally penned comic strips in which Snoopy, Woodstock (and Woodstock's buddies) play bridge. Alan Truscott once wrote about Snoopy's bridge game for the New York Times.
https://hgc.harvard.edu/aras-agalarov