Description: Henry David Hubbard (1870-1943), a physicist at the U.S. National Bureau of Standards, designed the first edition of the "Periodic Chart of the Atoms" in 1924. The chart is still in use today, continually updated to reflect new elements.
Description: Caroline Newman, Executive Editor, Smithsonian Press, 1989–2008, brought many popular Smithsonian titles into publication. She also managed relationships with outside publishers seeking partnerships with the Smithsonian. #Groundbreaker
Description: On January 24, 1925, for the first time in over a century, a total solar eclipse would be visible across the northern part of the United States. How scientists used a dirigible to observe the phenomenon.
Showing results 3601 - 3612 of 3842 for Smithsonian Institution. African American Institutional Study