NASA Astronaut Group 21 eight people, Jessica Meir, Ph.D., Major Nicole Mann, Lt. Commander Josh Cassada, Ph.D., Lt. Colonel Tyler Hague, Cristina Hammock, Major Andrew Morgan, M.D., Lt. Commander Victor Glover, and Major Anne McClain. On April 9, 1959 the National Aeronautics and Space Administration (NASA) announced the finalists for Astronaut Group 1. This group of seven astronauts, also sometimes known as the "Original Seven" or the "Mercury Seven" were a part of the first human spaceflight program, called Project Mercury. Since the original group, the total number of astronaut groups has grown to 22 as of 2017. The class joined 47 other active
Seven Sisters (colleges) Bryn Mawr College is a part of the Tri-College Consortium in suburban Philadelphia, with its sister schools, Haverford College and Swarthmore College. Barnard, Smith, Mount Holyoke, Vassar, Bryn Mawr, Wellesley, and Radcliffe were given the name "the Seven Sisters" in 1927, because of their relative affiliations with the Ivy League men’s colleges. The schools are sometimes referred to as "the Daisy Chain" or "the Heavenly Seven." The name "Seven Sisters" is also a reference to the Greek myth of "The Pleiades," the seven daughters of the Titan Atlas and the sea-nymph Pleione. The daughters (Maia, Electra, Taygete, Alcyone, Celaeno, Sterope,