A chair of Mathematics and Astronomy existed at the University of Durham between 1841 -- 1871 ; Chevallier was the one to hold this post .
That same year , Chevallier was invited to become Professor of Astronomy at the newly founded University of Durham .
A chair of Mathematics and Astronomy existed at the University of Durham between 1841 -- 1871 ; Chevallier was the Chevallier to hold this post .
That same year , Chevallier was invited to become Professor of Astronomy at the newly founded University of Durham .