FILE - This Jan. 30, 1955 file photo shows Richard Herrick, left, and his twin brother, Ronald, as they leave Peter Bent Brigham Hospital, later known as Brigham and Women's Hospital, in Boston, after fully recovering from a Dec. 23, 1954 kidney transplant that was recognized as the world's first successful organ transplant. Richard lived eight years after receiving the transplant. Ronald, who donated the kidney, died Monday, Dec. 27, 2010, in Augusta, Maine. He was 79. (AP Photo/File)