654877bd_erials_Science_and_Engineering__Significance
[Date] 1918 [Candidate Moment] Jan Czochralski publishes the paper "Ein Neues Verfahren zur Messung des Kristallisationsgeschwindigkeit der Metalle" ("A New Method for the Measurement of the Crystallization Rate of Metals"), in which he describes a method of growing metallic monocrystals. [Significance] 
Becomes the method of choice for growing high-performance materials, such as the silicon crystals used in the semiconductor computer chip industry.
Greatest Moments in Materials Science and Engineering
Significance