William Henry Press is an astrophysicist, theoretical physicist, computer scientist, and computational biologist. He is a member of the U.S. National Academy of Sciences, the American Academy of Arts and Sciences, and the Council on Foreign Relations. In 1989, he was elected a Fellow of the American Physical Society "in recognition of important theoretical contributions to relativistic astrophysics and to cosmology" Other honors include the 1981 Helen B. Warner Prize for Astronomy. Press has been a member of the JASON defense advisory group since 1977 and is a past chair.

Frank Press was an American geophysicist. He was an advisor to four U.S. presidents, and later served two consecutive terms as president of the U.S. National Academy of Sciences (1981–1993). He was the author of 160 scientific papers and co-author of the textbooks Earth and Understanding Earth.