Leonid Radvinsky Leonid Radvinsky , the owner of OnlyFans , an adult entertainment site, has died of cancer at the age of 43, according to multiple media reports. OnlyFans released a statement regarding his death: “We are deeply saddened to announce the passing of Leo Radvinsky. Leo passed away peacefully after a long battle with cancer. His family has requested privacy during this difficult time.” According to The Guardian , “Radvinsky, a Ukrainian-American billionaire with