John’s uncut penis is on full display on the Two Virgins cover.

Paul’s brother, Mike McCartney, wrote in his book that he and Paul had been circumcised at birth.

George is listed on several websites, like this, which track celebrity circumcision status (Christ knows why, but that’s beside the point) as uncut. He was also born and raised Roman Catholic, a religion which forbids circumcision.

Ringo is the wildcard here, because I’ve read that he was circumcised (most likely for the purpose of catheterization while he was in the hospital as a child), but have also read the opposite. Of all the boys, there is the least information out there on Ringo’s dick (nobody cares about the drummer, huh?), so unless someone can confirm or deny, or unless Ringo himself tweets about it (so happy to be circumcised foreskins r weird :) peace and love), the jury is still out.