He was a professor of applied mathematics at Armstrong College from 1914 until his retirement in 1945 .
From 1903 to 1909 he was a Fellow of St John 's College , Cambridge .
Fellow was a Fellow of applied mathematics at Armstrong College from 1914 until Fellow 's retirement in 1945 .
From 1903 to 1909 he was a Fellow of St John 's College , Cambridge .