Medal and the American Ladd Medal. Robert Edward Gross; president of the American Association for Thoracic Surgery, a member of the National Academy of Sciences and a fellow of the American Academy of Arts and Sciences. He was also awarded the Denis Browne Gold Medal and the American Ladd Medal for his contributions in Pediatric Surgery research. Morio Kasai; best known for the procedure that came to bear his name. He received the William E. Ladd Medal from the American Academy of Pediatrics, the Denis Browne Gold Medal from the British Association of Paediatric Surgeons and the Asahi Prize from the national newspaper known as the Asahi Shimbun. Associations of Pediatric Surgery World Federation of Associations of Pediatric Surgeons: WOFAPS American Pediatric Surgical Association: APSA British Association of Paediatric Surgeons: BAPS Deutsche Gesellschaft für Kinderchirurgie: German Association of Paediatric Surgeons (DKH) Pan-African Paediatric Surgical Association: PAPSA References