Edward Wichers (March 25, 1892 – January 1984) was a US chemist and Associate Director of the National Bureau of Standards from 1958-62. He is notable for his work on atomic weights of the elements.[1]

Edward Wichers
Edward Wichers.jpg
BornMarch 25, 1892
DiedJanuary 1984 (1984-02) (aged 91)
Alma materHope College
Known forDetermination of atomic weights
Scientific career
FieldsPhysical chemistry
InstitutionsNational Bureau of Standards

Edward Wichers graduated from Hope College in 1913 and from 1948 to 1958 Wichers headed the Chemistry Division at the National Bureau of Standards. In 1941 he was awarded the Honorary Doctor of Science degree at Hope College commencement. Wichers was assigned to the Manhattan Project at Los Alamos to work on the first atomic bomb, 1944-1945.[2] He headed the International Atomic Weights Commission from 1950–59 and from 1964–69,[3] and was the President of the IUPAC's Inorganic Chemistry Division from 1955-1957.[4]


  1. ^ "Edward Wichers - Encyclopædia Britannica".
  2. ^ "Hope College Joint Archives".
  3. ^ "Atomic Weights and the International Committee—A Historical Review". Chemistry International. 2004.
  4. ^ Robert N. Goldberg, David R. Lide (May 2001). "The National Institute of Standards and Technology (NIST) Celebrates its Centennial". Chemistry International. IUPAC.