

David Harker
- Category : Science-Geology
- Type : PE
- Profile : 6/2 - Role Model / Hermit
- Definition : Split - Large
- Incarnation Cross : LAX Limitation 2
Biography
American medical researcher, scientist, chemist, crystalographer, 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 was married once and had two children. He died on 27 February 1991.