Smithsonian Institution: Cyril Ponnamperuma (1923-1994)
Smithsonian Institution: Vladimir Kosma Zworykin (1889-1982)
Smithsonian Institution: George A. Van Biesbroeck (1880-1974)
Smithsonian Institution: Frank Thone (1891-1949)
Smithsonian Institution: Julian Schwinger (1918-1994)
Smithsonian Institution: Emma Reh (1896-1982)
Smithsonian Institution: Linus Carl Pauling (1901-1994)
Smithsonian Institution: Christine Ladd-Franklin (1847-1930)
Smithsonian Institution: Albert Ernest Jenks (1869-1953)
Smithsonian Institution: John Peabody Harrington (1884-1961) and Chief Wi'ishi of Mission Indians, California
Smithsonian Institution: James Williams Gidley (1866-1931)
Smithsonian Institution: Fremont Davis (1915-1977)
Smithsonian Institution: Enrico Fermi (1901-1954)
Smithsonian Institution: Bernard M. Fantus (1874-1940)
Smithsonian Institution: Joel William Bunkley (1887-1967)
Smithsonian Institution: Lemuel Roscoe Cleveland (1892-1969)
Smithsonian Institution: Pierce Brodkorb (1908-1992)
Smithsonian Institution: (left to right): Norman Levi Bowen (1887-1956) and Orville Frank Tuttle (1916-1983)
Smithsonian Institution: Robert Hutchings Goddard (1882-1945)
Smithsonian Institution: Wilfrid Swancourt Bronson (1894-1985) and Sonia Joseph Bronson
Smithsonian Institution: Henry Borsook (1897-1984)
Smithsonian Institution: Walter Ray Bloor (1877-1966)
Smithsonian Institution: Anthony J. Bianculli (b. 1925)
Smithsonian Institution: Hans Albrecht Bethe (1906-2005)
Smithsonian Institution: Kathleen Beyer Blackburn (1892-1968), sitting in chair
Smithsonian Institution: Cornelia Maria Clapp (1849-1934), sitting at desk
Smithsonian Institution: Muriel A. Case (1901-1981), sitting in lab
Smithsonian Institution: Mary Blade, standing at blackboard
Smithsonian Institution: Elizabeth M. Bright, sitting in lab