David Harker (original) (raw)

David Harker (October 19, 1906 – February 27, 1991) was an American medical researcher who according to The New York Times was "a pioneer in the use of X-rays to decipher the structure of critical substances in the life process of cells". He is also well known for Harker–Kasper inequalities (statistical relationships between the phases of structure factors), which he devised in collaboration with John S. Kasper.Harker made seminal discoveries in the field of chemical crystallography. Harker was awarded the Gregori Aminoff Prize from the Swedish Academy in 1984.