Helen Palmer Geisel (1899–1967), children's book author and wife of Theodor Geisel (Dr. Seuss)
Helen Mirren | Emerson, Lake & Palmer | Helen Keller | Helen | Arnold Palmer | Helen of Troy | Helen Hayes | Helen Clark | Amanda Palmer | Helen Reddy | Helen Frankenthaler | Helen Hunt | Helen Humes | George Palmer Putnam | Carl Palmer | Palmer Station | Michael Palmer | Helen Razer | Helen Fielding | Helen Allingham | David Palmer | Helen Storrow | Helen Shaver | Helen Caldicott | Clive Palmer | Alice Freeman Palmer | William Jackson Palmer | Roundell Palmer, 1st Earl of Selborne | Richard Palmer | Helen Sjöholm |
Numerous other authors, including Helen Palmer, Don Richard Riso, Richard Rohr and Elizabeth Wagele, also began publishing widely read books on the Enneagram of Personality in the 1980s and 1990s.