Many of the well-known women regularly visit Texas Woman's University include Sarah Weddington has lectured and/or taught courses since the early 1980s and Senator Kay Bailey Hutchison and U.S. Representative Eddie Bernice Johnson, who have recently participated in leadership conferences; currently, Major General Mary Saunders (Ret.), who graduated from TWU in 1970 and became the highest-ranking African-American woman in the United States Air Force, serves as director of the university's Leadership Institute. Denton campus guests have included Sandra Day O'Connor, Gloria Steinem, Frances "Sissy" Farenthold, Maya Angelou and Oprah Winfrey, who visited the campus in 1998 and 2005. Other historic campus visits include readings, performances, and lectures by Carl Sandburg, Edna St. Vincent Millay, Sinclair Lewis, Itzhak Perlman and Amelia Earhart.