 After his return from India in 1920, he planned to settle in Oxford but was invited to join a committee at the University of Cambridge to promote the study of geodesy.He was delighted to be offered a praelectorship, took up residence in Cambridge, was made a Fellow of Trinity College in 1921, received an honorary M.A.as he had no university education and in 1922 a first readership in geodesy was created for him, beginning his second career.