Sandra Elaine Allen (June 18, 1955 – August 13, 2008) was an American woman recognized as the tallest woman in the world during her life according to Guinness World Records. She was 7 feet 7 inches (231 cm) tall.Allen wrote a book, Cast A Giant Shadow, and appeared in the Guinness Book of World Records since 1976. Although over the years other women have taken over the title, Allen had held it for the last sixteen years of her life. Her height was due to a tumor in her pituitary gland that caused it to release growth hormone uncontrollably. At the age of twenty-two years, she underwent surgery for the condition. Lacking this procedure, Allen would have continued to grow and suffer further medical problems associated with gigantism. Wikipedia