‘Testicle Connoisseurs’ Meet at Secret Williamsburg Location to EatSocialite Tamsin Lonsdale’s supper club has been less than successful in moving from London to New York, but another club has recently expanded from NYC to London. The Gastronauts, led by German bon vivant Curtiss Calleo, who claims to be able to “charm you into eating your own earwax” (like we need convincing?), consider themselves “veteran testicle connoisseurs.”