The Bautz-Morgan classification was developed in 1970 by Laura P. Bautz and William Wilson Morgan to categorize galaxy clusters based on their morphology.
William Shakespeare | William Laud | Woodrow Wilson | William Blake | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | William Penn | William Jennings Bryan | William Gibson | Harold Wilson | William Wilberforce | Pete Wilson | Woodrow Wilson International Center for Scholars | William James | William Makepeace Thackeray | Fort William | William Hanna |