William Campbell (metallograaf)
William Campbell, ko ganndo njamndi Engele, jibinaa ko to wuro wiyeteengo Newcastle to Tyne, to Angalteer. O heɓi bak makko to duɗal jaaɓi haaɗtirde Durham to duɗal jaaɓi haaɗtirde Durham e hitaande 1898, o heɓi bak makko to duɗal jaaɓi haaɗtirde Columbia (Ph.D., 1903). O jannginii ko fayti e geɗe leydi e njamndi to Durham, e ko fayti e geɗe leydi to duɗal jaaɓi haaɗtirde Columbia ɗo o wonti porfeseer timmuɗo e ganndal njamndi e hitaande 1917. E hitaande 1924, o toɗɗaa Howe porfeseer njamndi.
| Jinsu | gorko  |
|---|---|
| Ɓii-leydiyankaaku | Biritaani-Mawndi, United Kingdom of Great Britain and Ireland |
| Innde | William |
| Innde ɓesngu | Campbell |
| Ɗuubi daygo | 1876 |
| Date of death | 1936 |
| Wolde | Inngilisjo |
| Sana'aji | engineer, metallurgist |
| Employer | Columbia University, Durham University |
| Janngi to | Durham University, Columbia University |
Daga 1907 haa 1911, o laati metallographer to United States Coast e Geodetic Survey. O huuwani nder Bureau of Mines nden o hokki ha Academy Naval United States. Nder konu duuniyaaru arande, o huuwani nder Council National Research.
Campbell's papers daga ca. 1900 to 1925 ɗon hawrata nder ardiiji Columbia University.