Conjoined twins of one or both of the twins, particularly if they are joined at the head or share a vital organ. This makes the ethics of surgical separation, where the twins can survive if not separated, contentious. Alice Dreger of Northwestern University found the quality of life of twins who remain conjoined to be higher than is commonly supposed. Lori and George Schappell and Abby and Brittany Hensel are notable examples. The first record of separating conjoined twins took place in the Byzantine Empire in the 900s. One of the conjoined twins had already died, so surgeons attempted to separate the
Kalin Twins Kalin Twins The Kalin Twins (born February 16, 1934) were a pop music recording and songwriting duo, comprising twin brothers Harold Kalin and Herbert Kalin (died August 24, 2005 and July 21, 2006, respectively). The Kalin Twins, who were known affectionately as "Hal and Herbie", are best known for their 1958 hit "When". The twins were born in Port Jervis, New York. Originally discovered by Clint Ballard, Jr., the writer of many hit records such as "Good Timin'" for Jimmy Jones, and "I'm Alive" for The Hollies, the sibling duo had a couple of early recording flops. However, in 1958,