Lori and George Schappell, the world's oldest conjoined twins, died on April 7 at the age of 62. Doctors gave them only a few months to live when they were born in September 1961.

Fused by the vault of the skull, they shared bones, vessels vital blood cells as well as 30% of their brain, including the frontal lobe and the parietal lobe. The goal: to allow the brother and sister to maintain their independence as much as possible and to assert their differences. They appeared in the 2004 series “Nip/Tuck,” when George still identified as a woman and Lori as a man, and were the first twins born of the same sex to identify as different genders. The twins slept there alternately every other evening, so that each could enjoy their own space, in which they had their own image, a discipline they had developed in which she had a discipline in which he had a Discipline, she said in a documentary in 1997.