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.

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. 

 Firooji 

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